Home / 62,961.20-94,223.10-57,712.40

Finding the Fourth Proportional to 62,961.20, 94,223.10 and 57,712.40

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Solution

The fourth proportional to 62,961.20, 94,223.10 and 57,712.40 is: 86,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,961.20 : 94,223.10 = 57,712.40 : x
  2. Step 2: Convert to fraction form
    62,961.20/94,223.10 = 57,712.40/x
  3. Step 3: Cross multiply
    62,961.20x = 94,223.10 × 57,712.40
  4. Step 4: Simplify right side
    62,961.20x = 5,437,841,236.44
  5. Step 5: Solve for x
    x = 5,437,841,236.44/62,961.20
  6. Step 6: Final answer
    x = 86,368.13

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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.