Home / 90,308.59-124,614.05-52,069.57

Finding the Fourth Proportional to 90,308.59, 124,614.05 and 52,069.57

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Solution

The fourth proportional to 90,308.59, 124,614.05 and 52,069.57 is: 71,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.59 : 124,614.05 = 52,069.57 : x
  2. Step 2: Convert to fraction form
    90,308.59/124,614.05 = 52,069.57/x
  3. Step 3: Cross multiply
    90,308.59x = 124,614.05 × 52,069.57
  4. Step 4: Simplify right side
    90,308.59x = 6,488,599,427.58
  5. Step 5: Solve for x
    x = 6,488,599,427.58/90,308.59
  6. Step 6: Final answer
    x = 71,849.20

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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.