Home / 65,143.13-97,731.54-38,148.27

Finding the Fourth Proportional to 65,143.13, 97,731.54 and 38,148.27

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Solution

The fourth proportional to 65,143.13, 97,731.54 and 38,148.27 is: 57,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.13 : 97,731.54 = 38,148.27 : x
  2. Step 2: Convert to fraction form
    65,143.13/97,731.54 = 38,148.27/x
  3. Step 3: Cross multiply
    65,143.13x = 97,731.54 × 38,148.27
  4. Step 4: Simplify right side
    65,143.13x = 3,728,288,835.74
  5. Step 5: Solve for x
    x = 3,728,288,835.74/65,143.13
  6. Step 6: Final answer
    x = 57,232.26

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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.