Home / 69,440.13-95,737.86-56,680.20

Finding the Fourth Proportional to 69,440.13, 95,737.86 and 56,680.20

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Solution

The fourth proportional to 69,440.13, 95,737.86 and 56,680.20 is: 78,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,440.13 : 95,737.86 = 56,680.20 : x
  2. Step 2: Convert to fraction form
    69,440.13/95,737.86 = 56,680.20/x
  3. Step 3: Cross multiply
    69,440.13x = 95,737.86 × 56,680.20
  4. Step 4: Simplify right side
    69,440.13x = 5,426,441,052.37
  5. Step 5: Solve for x
    x = 5,426,441,052.37/69,440.13
  6. Step 6: Final answer
    x = 78,145.61

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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.