Home / 84,265.28-126,475.68-42,741.44

Finding the Fourth Proportional to 84,265.28, 126,475.68 and 42,741.44

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Solution

The fourth proportional to 84,265.28, 126,475.68 and 42,741.44 is: 64,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265.28 : 126,475.68 = 42,741.44 : x
  2. Step 2: Convert to fraction form
    84,265.28/126,475.68 = 42,741.44/x
  3. Step 3: Cross multiply
    84,265.28x = 126,475.68 × 42,741.44
  4. Step 4: Simplify right side
    84,265.28x = 5,405,752,688.18
  5. Step 5: Solve for x
    x = 5,405,752,688.18/84,265.28
  6. Step 6: Final answer
    x = 64,151.60

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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.