Home / 71,323.11-98,417.91-39,484.02

Finding the Fourth Proportional to 71,323.11, 98,417.91 and 39,484.02

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Solution

The fourth proportional to 71,323.11, 98,417.91 and 39,484.02 is: 54,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.11 : 98,417.91 = 39,484.02 : x
  2. Step 2: Convert to fraction form
    71,323.11/98,417.91 = 39,484.02/x
  3. Step 3: Cross multiply
    71,323.11x = 98,417.91 × 39,484.02
  4. Step 4: Simplify right side
    71,323.11x = 3,885,934,726.80
  5. Step 5: Solve for x
    x = 3,885,934,726.80/71,323.11
  6. Step 6: Final answer
    x = 54,483.53

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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.