Home / 90,565.29-124,954.80-56,608.33

Finding the Fourth Proportional to 90,565.29, 124,954.80 and 56,608.33

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Solution

The fourth proportional to 90,565.29, 124,954.80 and 56,608.33 is: 78,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.29 : 124,954.80 = 56,608.33 : x
  2. Step 2: Convert to fraction form
    90,565.29/124,954.80 = 56,608.33/x
  3. Step 3: Cross multiply
    90,565.29x = 124,954.80 × 56,608.33
  4. Step 4: Simplify right side
    90,565.29x = 7,073,482,553.48
  5. Step 5: Solve for x
    x = 7,073,482,553.48/90,565.29
  6. Step 6: Final answer
    x = 78,103.69

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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.