Home / 55,963.08-77,211.60-31,760.04

Finding the Fourth Proportional to 55,963.08, 77,211.60 and 31,760.04

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Solution

The fourth proportional to 55,963.08, 77,211.60 and 31,760.04 is: 43,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.08 : 77,211.60 = 31,760.04 : x
  2. Step 2: Convert to fraction form
    55,963.08/77,211.60 = 31,760.04/x
  3. Step 3: Cross multiply
    55,963.08x = 77,211.60 × 31,760.04
  4. Step 4: Simplify right side
    55,963.08x = 2,452,243,504.46
  5. Step 5: Solve for x
    x = 2,452,243,504.46/55,963.08
  6. Step 6: Final answer
    x = 43,818.95

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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.