Home / 52,320.18-71,235.90-52,154.11

Finding the Fourth Proportional to 52,320.18, 71,235.90 and 52,154.11

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Solution

The fourth proportional to 52,320.18, 71,235.90 and 52,154.11 is: 71,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.18 : 71,235.90 = 52,154.11 : x
  2. Step 2: Convert to fraction form
    52,320.18/71,235.90 = 52,154.11/x
  3. Step 3: Cross multiply
    52,320.18x = 71,235.90 × 52,154.11
  4. Step 4: Simplify right side
    52,320.18x = 3,715,244,786.46
  5. Step 5: Solve for x
    x = 3,715,244,786.46/52,320.18
  6. Step 6: Final answer
    x = 71,009.79

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.