Home / 90,659.23-125,073.90-52,411.74

Finding the Fourth Proportional to 90,659.23, 125,073.90 and 52,411.74

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Solution

The fourth proportional to 90,659.23, 125,073.90 and 52,411.74 is: 72,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,659.23 : 125,073.90 = 52,411.74 : x
  2. Step 2: Convert to fraction form
    90,659.23/125,073.90 = 52,411.74/x
  3. Step 3: Cross multiply
    90,659.23x = 125,073.90 × 52,411.74
  4. Step 4: Simplify right side
    90,659.23x = 6,555,340,727.59
  5. Step 5: Solve for x
    x = 6,555,340,727.59/90,659.23
  6. Step 6: Final answer
    x = 72,307.48

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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.