Home / 90,641.27-125,050.06-66,824.57

Finding the Fourth Proportional to 90,641.27, 125,050.06 and 66,824.57

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Solution

The fourth proportional to 90,641.27, 125,050.06 and 66,824.57 is: 92,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641.27 : 125,050.06 = 66,824.57 : x
  2. Step 2: Convert to fraction form
    90,641.27/125,050.06 = 66,824.57/x
  3. Step 3: Cross multiply
    90,641.27x = 125,050.06 × 66,824.57
  4. Step 4: Simplify right side
    90,641.27x = 8,356,416,884.13
  5. Step 5: Solve for x
    x = 8,356,416,884.13/90,641.27
  6. Step 6: Final answer
    x = 92,192.18

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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.