Home / 98,542.10-147,684.60-45,214.83

Finding the Fourth Proportional to 98,542.10, 147,684.60 and 45,214.83

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Solution

The fourth proportional to 98,542.10, 147,684.60 and 45,214.83 is: 67,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,542.10 : 147,684.60 = 45,214.83 : x
  2. Step 2: Convert to fraction form
    98,542.10/147,684.60 = 45,214.83/x
  3. Step 3: Cross multiply
    98,542.10x = 147,684.60 × 45,214.83
  4. Step 4: Simplify right side
    98,542.10x = 6,677,534,082.62
  5. Step 5: Solve for x
    x = 6,677,534,082.62/98,542.10
  6. Step 6: Final answer
    x = 67,763.26

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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.