Home / 52,001.13-78,017.37-21,999.95

Finding the Fourth Proportional to 52,001.13, 78,017.37 and 21,999.95

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Solution

The fourth proportional to 52,001.13, 78,017.37 and 21,999.95 is: 33,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.13 : 78,017.37 = 21,999.95 : x
  2. Step 2: Convert to fraction form
    52,001.13/78,017.37 = 21,999.95/x
  3. Step 3: Cross multiply
    52,001.13x = 78,017.37 × 21,999.95
  4. Step 4: Simplify right side
    52,001.13x = 1,716,377,849.04
  5. Step 5: Solve for x
    x = 1,716,377,849.04/52,001.13
  6. Step 6: Final answer
    x = 33,006.55

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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.