Home / 61,897.66-85,489.12-41,719.76

Finding the Fourth Proportional to 61,897.66, 85,489.12 and 41,719.76

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Solution

The fourth proportional to 61,897.66, 85,489.12 and 41,719.76 is: 57,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.66 : 85,489.12 = 41,719.76 : x
  2. Step 2: Convert to fraction form
    61,897.66/85,489.12 = 41,719.76/x
  3. Step 3: Cross multiply
    61,897.66x = 85,489.12 × 41,719.76
  4. Step 4: Simplify right side
    61,897.66x = 3,566,585,569.01
  5. Step 5: Solve for x
    x = 3,566,585,569.01/61,897.66
  6. Step 6: Final answer
    x = 57,620.68

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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.