Home / 52,470.15-72,411.37-29,507.20

Finding the Fourth Proportional to 52,470.15, 72,411.37 and 29,507.20

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Solution

The fourth proportional to 52,470.15, 72,411.37 and 29,507.20 is: 40,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.15 : 72,411.37 = 29,507.20 : x
  2. Step 2: Convert to fraction form
    52,470.15/72,411.37 = 29,507.20/x
  3. Step 3: Cross multiply
    52,470.15x = 72,411.37 × 29,507.20
  4. Step 4: Simplify right side
    52,470.15x = 2,136,656,522.07
  5. Step 5: Solve for x
    x = 2,136,656,522.07/52,470.15
  6. Step 6: Final answer
    x = 40,721.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.