Home / 52,066.65-78,090.10-25,385.86

Finding the Fourth Proportional to 52,066.65, 78,090.10 and 25,385.86

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Solution

The fourth proportional to 52,066.65, 78,090.10 and 25,385.86 is: 38,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.65 : 78,090.10 = 25,385.86 : x
  2. Step 2: Convert to fraction form
    52,066.65/78,090.10 = 25,385.86/x
  3. Step 3: Cross multiply
    52,066.65x = 78,090.10 × 25,385.86
  4. Step 4: Simplify right side
    52,066.65x = 1,982,384,345.99
  5. Step 5: Solve for x
    x = 1,982,384,345.99/52,066.65
  6. Step 6: Final answer
    x = 38,073.98

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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.