Home / 98,987.74-136,601.30-55,966.49

Finding the Fourth Proportional to 98,987.74, 136,601.30 and 55,966.49

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Solution

The fourth proportional to 98,987.74, 136,601.30 and 55,966.49 is: 77,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,987.74 : 136,601.30 = 55,966.49 : x
  2. Step 2: Convert to fraction form
    98,987.74/136,601.30 = 55,966.49/x
  3. Step 3: Cross multiply
    98,987.74x = 136,601.30 × 55,966.49
  4. Step 4: Simplify right side
    98,987.74x = 7,645,094,560.60
  5. Step 5: Solve for x
    x = 7,645,094,560.60/98,987.74
  6. Step 6: Final answer
    x = 77,232.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.