Home / 43,237.53-64,854.68-13,657.14

Finding the Fourth Proportional to 43,237.53, 64,854.68 and 13,657.14

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Solution

The fourth proportional to 43,237.53, 64,854.68 and 13,657.14 is: 20,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.53 : 64,854.68 = 13,657.14 : x
  2. Step 2: Convert to fraction form
    43,237.53/64,854.68 = 13,657.14/x
  3. Step 3: Cross multiply
    43,237.53x = 64,854.68 × 13,657.14
  4. Step 4: Simplify right side
    43,237.53x = 885,729,376.13
  5. Step 5: Solve for x
    x = 885,729,376.13/43,237.53
  6. Step 6: Final answer
    x = 20,485.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.