Home / 71,029.48-98,023.03-38,765.86

Finding the Fourth Proportional to 71,029.48, 98,023.03 and 38,765.86

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Solution

The fourth proportional to 71,029.48, 98,023.03 and 38,765.86 is: 53,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.48 : 98,023.03 = 38,765.86 : x
  2. Step 2: Convert to fraction form
    71,029.48/98,023.03 = 38,765.86/x
  3. Step 3: Cross multiply
    71,029.48x = 98,023.03 × 38,765.86
  4. Step 4: Simplify right side
    71,029.48x = 3,799,946,861.16
  5. Step 5: Solve for x
    x = 3,799,946,861.16/71,029.48
  6. Step 6: Final answer
    x = 53,498.17

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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.