Home / 73,719.10-110,250.60-61,909.30

Finding the Fourth Proportional to 73,719.10, 110,250.60 and 61,909.30

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Solution

The fourth proportional to 73,719.10, 110,250.60 and 61,909.30 is: 92,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.10 : 110,250.60 = 61,909.30 : x
  2. Step 2: Convert to fraction form
    73,719.10/110,250.60 = 61,909.30/x
  3. Step 3: Cross multiply
    73,719.10x = 110,250.60 × 61,909.30
  4. Step 4: Simplify right side
    73,719.10x = 6,825,537,470.58
  5. Step 5: Solve for x
    x = 6,825,537,470.58/73,719.10
  6. Step 6: Final answer
    x = 92,588.45

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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.