Home / 118,026.09-162,873.90-64,311.53

Finding the Fourth Proportional to 118,026.09, 162,873.90 and 64,311.53

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Solution

The fourth proportional to 118,026.09, 162,873.90 and 64,311.53 is: 88,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.09 : 162,873.90 = 64,311.53 : x
  2. Step 2: Convert to fraction form
    118,026.09/162,873.90 = 64,311.53/x
  3. Step 3: Cross multiply
    118,026.09x = 162,873.90 × 64,311.53
  4. Step 4: Simplify right side
    118,026.09x = 10,474,668,891.70
  5. Step 5: Solve for x
    x = 10,474,668,891.70/118,026.09
  6. Step 6: Final answer
    x = 88,748.76

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1.5x scale

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.