Home / 90,348.15-124,680.32-50,064.52

Finding the Fourth Proportional to 90,348.15, 124,680.32 and 50,064.52

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Solution

The fourth proportional to 90,348.15, 124,680.32 and 50,064.52 is: 69,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348.15 : 124,680.32 = 50,064.52 : x
  2. Step 2: Convert to fraction form
    90,348.15/124,680.32 = 50,064.52/x
  3. Step 3: Cross multiply
    90,348.15x = 124,680.32 × 50,064.52
  4. Step 4: Simplify right side
    90,348.15x = 6,242,060,374.25
  5. Step 5: Solve for x
    x = 6,242,060,374.25/90,348.15
  6. Step 6: Final answer
    x = 69,088.97

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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.