Home / 61,761.10-92,639.22-42,986.92

Finding the Fourth Proportional to 61,761.10, 92,639.22 and 42,986.92

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Solution

The fourth proportional to 61,761.10, 92,639.22 and 42,986.92 is: 64,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.10 : 92,639.22 = 42,986.92 : x
  2. Step 2: Convert to fraction form
    61,761.10/92,639.22 = 42,986.92/x
  3. Step 3: Cross multiply
    61,761.10x = 92,639.22 × 42,986.92
  4. Step 4: Simplify right side
    61,761.10x = 3,982,274,739.00
  5. Step 5: Solve for x
    x = 3,982,274,739.00/61,761.10
  6. Step 6: Final answer
    x = 64,478.69

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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.