Home / 90,966.17-136,449.26-27,783.74

Finding the Fourth Proportional to 90,966.17, 136,449.26 and 27,783.74

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Solution

The fourth proportional to 90,966.17, 136,449.26 and 27,783.74 is: 41,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.17 : 136,449.26 = 27,783.74 : x
  2. Step 2: Convert to fraction form
    90,966.17/136,449.26 = 27,783.74/x
  3. Step 3: Cross multiply
    90,966.17x = 136,449.26 × 27,783.74
  4. Step 4: Simplify right side
    90,966.17x = 3,791,069,941.87
  5. Step 5: Solve for x
    x = 3,791,069,941.87/90,966.17
  6. Step 6: Final answer
    x = 41,675.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.