Home / 90,287.24-124,557.74-54,456.84

Finding the Fourth Proportional to 90,287.24, 124,557.74 and 54,456.84

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Solution

The fourth proportional to 90,287.24, 124,557.74 and 54,456.84 is: 75,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287.24 : 124,557.74 = 54,456.84 : x
  2. Step 2: Convert to fraction form
    90,287.24/124,557.74 = 54,456.84/x
  3. Step 3: Cross multiply
    90,287.24x = 124,557.74 × 54,456.84
  4. Step 4: Simplify right side
    90,287.24x = 6,783,020,917.94
  5. Step 5: Solve for x
    x = 6,783,020,917.94/90,287.24
  6. Step 6: Final answer
    x = 75,127.13

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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.