Home / 90,092.92-124,328.76-49,257.16

Finding the Fourth Proportional to 90,092.92, 124,328.76 and 49,257.16

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Solution

The fourth proportional to 90,092.92, 124,328.76 and 49,257.16 is: 67,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,092.92 : 124,328.76 = 49,257.16 : x
  2. Step 2: Convert to fraction form
    90,092.92/124,328.76 = 49,257.16/x
  3. Step 3: Cross multiply
    90,092.92x = 124,328.76 × 49,257.16
  4. Step 4: Simplify right side
    90,092.92x = 6,124,081,623.92
  5. Step 5: Solve for x
    x = 6,124,081,623.92/90,092.92
  6. Step 6: Final answer
    x = 67,975.17

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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.