Home / 53,737.81-74,159.68-31,074.61

Finding the Fourth Proportional to 53,737.81, 74,159.68 and 31,074.61

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Solution

The fourth proportional to 53,737.81, 74,159.68 and 31,074.61 is: 42,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.81 : 74,159.68 = 31,074.61 : x
  2. Step 2: Convert to fraction form
    53,737.81/74,159.68 = 31,074.61/x
  3. Step 3: Cross multiply
    53,737.81x = 74,159.68 × 31,074.61
  4. Step 4: Simplify right side
    53,737.81x = 2,304,483,133.72
  5. Step 5: Solve for x
    x = 2,304,483,133.72/53,737.81
  6. Step 6: Final answer
    x = 42,883.83

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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.