Home / 89,690.97-134,275.80-52,136.52

Finding the Fourth Proportional to 89,690.97, 134,275.80 and 52,136.52

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Solution

The fourth proportional to 89,690.97, 134,275.80 and 52,136.52 is: 78,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,690.97 : 134,275.80 = 52,136.52 : x
  2. Step 2: Convert to fraction form
    89,690.97/134,275.80 = 52,136.52/x
  3. Step 3: Cross multiply
    89,690.97x = 134,275.80 × 52,136.52
  4. Step 4: Simplify right side
    89,690.97x = 7,000,672,932.22
  5. Step 5: Solve for x
    x = 7,000,672,932.22/89,690.97
  6. Step 6: Final answer
    x = 78,053.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.