Home / 60,601.12-90,780.72-48,142.24

Finding the Fourth Proportional to 60,601.12, 90,780.72 and 48,142.24

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Solution

The fourth proportional to 60,601.12, 90,780.72 and 48,142.24 is: 72,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.12 : 90,780.72 = 48,142.24 : x
  2. Step 2: Convert to fraction form
    60,601.12/90,780.72 = 48,142.24/x
  3. Step 3: Cross multiply
    60,601.12x = 90,780.72 × 48,142.24
  4. Step 4: Simplify right side
    60,601.12x = 4,370,387,209.61
  5. Step 5: Solve for x
    x = 4,370,387,209.61/60,601.12
  6. Step 6: Final answer
    x = 72,117.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.