Home / 114,988.60-158,680.38-64,677.88

Finding the Fourth Proportional to 114,988.60, 158,680.38 and 64,677.88

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Solution

The fourth proportional to 114,988.60, 158,680.38 and 64,677.88 is: 89,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,988.60 : 158,680.38 = 64,677.88 : x
  2. Step 2: Convert to fraction form
    114,988.60/158,680.38 = 64,677.88/x
  3. Step 3: Cross multiply
    114,988.60x = 158,680.38 × 64,677.88
  4. Step 4: Simplify right side
    114,988.60x = 10,263,110,575.99
  5. Step 5: Solve for x
    x = 10,263,110,575.99/114,988.60
  6. Step 6: Final answer
    x = 89,253.29

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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.