Home / 52,045.13-78,069.85-15,109.13

Finding the Fourth Proportional to 52,045.13, 78,069.85 and 15,109.13

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Solution

The fourth proportional to 52,045.13, 78,069.85 and 15,109.13 is: 22,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.13 : 78,069.85 = 15,109.13 : x
  2. Step 2: Convert to fraction form
    52,045.13/78,069.85 = 15,109.13/x
  3. Step 3: Cross multiply
    52,045.13x = 78,069.85 × 15,109.13
  4. Step 4: Simplify right side
    52,045.13x = 1,179,567,084.61
  5. Step 5: Solve for x
    x = 1,179,567,084.61/52,045.13
  6. Step 6: Final answer
    x = 22,664.31

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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.