Home / 90,602.59-125,031.09-49,767.52

Finding the Fourth Proportional to 90,602.59, 125,031.09 and 49,767.52

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Solution

The fourth proportional to 90,602.59, 125,031.09 and 49,767.52 is: 68,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,602.59 : 125,031.09 = 49,767.52 : x
  2. Step 2: Convert to fraction form
    90,602.59/125,031.09 = 49,767.52/x
  3. Step 3: Cross multiply
    90,602.59x = 125,031.09 × 49,767.52
  4. Step 4: Simplify right side
    90,602.59x = 6,222,487,272.20
  5. Step 5: Solve for x
    x = 6,222,487,272.20/90,602.59
  6. Step 6: Final answer
    x = 68,678.91

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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.