Home / 118,023.20-162,869.96-64,308.65

Finding the Fourth Proportional to 118,023.20, 162,869.96 and 64,308.65

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Solution

The fourth proportional to 118,023.20, 162,869.96 and 64,308.65 is: 88,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.20 : 162,869.96 = 64,308.65 : x
  2. Step 2: Convert to fraction form
    118,023.20/162,869.96 = 64,308.65/x
  3. Step 3: Cross multiply
    118,023.20x = 162,869.96 × 64,308.65
  4. Step 4: Simplify right side
    118,023.20x = 10,473,946,931.61
  5. Step 5: Solve for x
    x = 10,473,946,931.61/118,023.20
  6. Step 6: Final answer
    x = 88,744.82

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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.