Home / 52,374.66-78,561.99-43,121.22

Finding the Fourth Proportional to 52,374.66, 78,561.99 and 43,121.22

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Solution

The fourth proportional to 52,374.66, 78,561.99 and 43,121.22 is: 64,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.66 : 78,561.99 = 43,121.22 : x
  2. Step 2: Convert to fraction form
    52,374.66/78,561.99 = 43,121.22/x
  3. Step 3: Cross multiply
    52,374.66x = 78,561.99 × 43,121.22
  4. Step 4: Simplify right side
    52,374.66x = 3,387,688,854.43
  5. Step 5: Solve for x
    x = 3,387,688,854.43/52,374.66
  6. Step 6: Final answer
    x = 64,681.83

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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.