Home / 55,423.27-76,484.18-31,549.92

Finding the Fourth Proportional to 55,423.27, 76,484.18 and 31,549.92

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Solution

The fourth proportional to 55,423.27, 76,484.18 and 31,549.92 is: 43,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.27 : 76,484.18 = 31,549.92 : x
  2. Step 2: Convert to fraction form
    55,423.27/76,484.18 = 31,549.92/x
  3. Step 3: Cross multiply
    55,423.27x = 76,484.18 × 31,549.92
  4. Step 4: Simplify right side
    55,423.27x = 2,413,069,982.55
  5. Step 5: Solve for x
    x = 2,413,069,982.55/55,423.27
  6. Step 6: Final answer
    x = 43,538.93

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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.