Home / 52,286.65-72,166.05-31,061.81

Finding the Fourth Proportional to 52,286.65, 72,166.05 and 31,061.81

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Solution

The fourth proportional to 52,286.65, 72,166.05 and 31,061.81 is: 42,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.65 : 72,166.05 = 31,061.81 : x
  2. Step 2: Convert to fraction form
    52,286.65/72,166.05 = 31,061.81/x
  3. Step 3: Cross multiply
    52,286.65x = 72,166.05 × 31,061.81
  4. Step 4: Simplify right side
    52,286.65x = 2,241,608,313.97
  5. Step 5: Solve for x
    x = 2,241,608,313.97/52,286.65
  6. Step 6: Final answer
    x = 42,871.52

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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.