Home / 73,687.08-110,543.99-42,132.72

Finding the Fourth Proportional to 73,687.08, 110,543.99 and 42,132.72

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Solution

The fourth proportional to 73,687.08, 110,543.99 and 42,132.72 is: 63,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,687.08 : 110,543.99 = 42,132.72 : x
  2. Step 2: Convert to fraction form
    73,687.08/110,543.99 = 42,132.72/x
  3. Step 3: Cross multiply
    73,687.08x = 110,543.99 × 42,132.72
  4. Step 4: Simplify right side
    73,687.08x = 4,657,518,767.69
  5. Step 5: Solve for x
    x = 4,657,518,767.69/73,687.08
  6. Step 6: Final answer
    x = 63,206.72

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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.