Home / 52,639.18-72,654.98-29,991.53

Finding the Fourth Proportional to 52,639.18, 72,654.98 and 29,991.53

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Solution

The fourth proportional to 52,639.18, 72,654.98 and 29,991.53 is: 41,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.18 : 72,654.98 = 29,991.53 : x
  2. Step 2: Convert to fraction form
    52,639.18/72,654.98 = 29,991.53/x
  3. Step 3: Cross multiply
    52,639.18x = 72,654.98 × 29,991.53
  4. Step 4: Simplify right side
    52,639.18x = 2,179,034,044.00
  5. Step 5: Solve for x
    x = 2,179,034,044.00/52,639.18
  6. Step 6: Final answer
    x = 41,395.67

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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.