Home / 61,401.17-84,743.80-38,752.52

Finding the Fourth Proportional to 61,401.17, 84,743.80 and 38,752.52

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Solution

The fourth proportional to 61,401.17, 84,743.80 and 38,752.52 is: 53,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401.17 : 84,743.80 = 38,752.52 : x
  2. Step 2: Convert to fraction form
    61,401.17/84,743.80 = 38,752.52/x
  3. Step 3: Cross multiply
    61,401.17x = 84,743.80 × 38,752.52
  4. Step 4: Simplify right side
    61,401.17x = 3,284,035,283.78
  5. Step 5: Solve for x
    x = 3,284,035,283.78/61,401.17
  6. Step 6: Final answer
    x = 53,484.90

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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.