Home / 52,686.62-72,707.61-29,716.74

Finding the Fourth Proportional to 52,686.62, 72,707.61 and 29,716.74

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Solution

The fourth proportional to 52,686.62, 72,707.61 and 29,716.74 is: 41,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,686.62 : 72,707.61 = 29,716.74 : x
  2. Step 2: Convert to fraction form
    52,686.62/72,707.61 = 29,716.74/x
  3. Step 3: Cross multiply
    52,686.62x = 72,707.61 × 29,716.74
  4. Step 4: Simplify right side
    52,686.62x = 2,160,633,142.39
  5. Step 5: Solve for x
    x = 2,160,633,142.39/52,686.62
  6. Step 6: Final answer
    x = 41,009.14

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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.