Home / 90,261.40-124,564.62-49,975.16

Finding the Fourth Proportional to 90,261.40, 124,564.62 and 49,975.16

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Solution

The fourth proportional to 90,261.40, 124,564.62 and 49,975.16 is: 68,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261.40 : 124,564.62 = 49,975.16 : x
  2. Step 2: Convert to fraction form
    90,261.40/124,564.62 = 49,975.16/x
  3. Step 3: Cross multiply
    90,261.40x = 124,564.62 × 49,975.16
  4. Step 4: Simplify right side
    90,261.40x = 6,225,137,313.66
  5. Step 5: Solve for x
    x = 6,225,137,313.66/90,261.40
  6. Step 6: Final answer
    x = 68,967.88

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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.