Home / 42,176.12-63,275.16-12,593.96

Finding the Fourth Proportional to 42,176.12, 63,275.16 and 12,593.96

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Solution

The fourth proportional to 42,176.12, 63,275.16 and 12,593.96 is: 18,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,176.12 : 63,275.16 = 12,593.96 : x
  2. Step 2: Convert to fraction form
    42,176.12/63,275.16 = 12,593.96/x
  3. Step 3: Cross multiply
    42,176.12x = 63,275.16 × 12,593.96
  4. Step 4: Simplify right side
    42,176.12x = 796,884,834.03
  5. Step 5: Solve for x
    x = 796,884,834.03/42,176.12
  6. Step 6: Final answer
    x = 18,894.22

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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.