Home / 61,816.32-92,689.20-40,767.66

Finding the Fourth Proportional to 61,816.32, 92,689.20 and 40,767.66

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Solution

The fourth proportional to 61,816.32, 92,689.20 and 40,767.66 is: 61,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816.32 : 92,689.20 = 40,767.66 : x
  2. Step 2: Convert to fraction form
    61,816.32/92,689.20 = 40,767.66/x
  3. Step 3: Cross multiply
    61,816.32x = 92,689.20 × 40,767.66
  4. Step 4: Simplify right side
    61,816.32x = 3,778,721,791.27
  5. Step 5: Solve for x
    x = 3,778,721,791.27/61,816.32
  6. Step 6: Final answer
    x = 61,128.22

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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.