Home / 45,159.39-67,714.20-15,552.81

Finding the Fourth Proportional to 45,159.39, 67,714.20 and 15,552.81

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Solution

The fourth proportional to 45,159.39, 67,714.20 and 15,552.81 is: 23,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.39 : 67,714.20 = 15,552.81 : x
  2. Step 2: Convert to fraction form
    45,159.39/67,714.20 = 15,552.81/x
  3. Step 3: Cross multiply
    45,159.39x = 67,714.20 × 15,552.81
  4. Step 4: Simplify right side
    45,159.39x = 1,053,146,086.90
  5. Step 5: Solve for x
    x = 1,053,146,086.90/45,159.39
  6. Step 6: Final answer
    x = 23,320.64

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1.5x scale

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.