Home / 112,587.28-168,898.20-38,698

Finding the Fourth Proportional to 112,587.28, 168,898.20 and 38,698

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Solution

The fourth proportional to 112,587.28, 168,898.20 and 38,698 is: 58,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,587.28 : 168,898.20 = 38,698 : x
  2. Step 2: Convert to fraction form
    112,587.28/168,898.20 = 38,698/x
  3. Step 3: Cross multiply
    112,587.28x = 168,898.20 × 38,698
  4. Step 4: Simplify right side
    112,587.28x = 6,536,022,543.60
  5. Step 5: Solve for x
    x = 6,536,022,543.60/112,587.28
  6. Step 6: Final answer
    x = 58,052.94

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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.