Home / 90,102.06-124,330.10-49,810.41

Finding the Fourth Proportional to 90,102.06, 124,330.10 and 49,810.41

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Solution

The fourth proportional to 90,102.06, 124,330.10 and 49,810.41 is: 68,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,102.06 : 124,330.10 = 49,810.41 : x
  2. Step 2: Convert to fraction form
    90,102.06/124,330.10 = 49,810.41/x
  3. Step 3: Cross multiply
    90,102.06x = 124,330.10 × 49,810.41
  4. Step 4: Simplify right side
    90,102.06x = 6,192,933,007.29
  5. Step 5: Solve for x
    x = 6,192,933,007.29/90,102.06
  6. Step 6: Final answer
    x = 68,732.42

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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.