Home / 90,594.29-125,021-52,861.25

Finding the Fourth Proportional to 90,594.29, 125,021 and 52,861.25

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Solution

The fourth proportional to 90,594.29, 125,021 and 52,861.25 is: 72,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,594.29 : 125,021 = 52,861.25 : x
  2. Step 2: Convert to fraction form
    90,594.29/125,021 = 52,861.25/x
  3. Step 3: Cross multiply
    90,594.29x = 125,021 × 52,861.25
  4. Step 4: Simplify right side
    90,594.29x = 6,608,766,336.25
  5. Step 5: Solve for x
    x = 6,608,766,336.25/90,594.29
  6. Step 6: Final answer
    x = 72,949.04

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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.