Home / 55,271.01-76,286.29-35,123.95

Finding the Fourth Proportional to 55,271.01, 76,286.29 and 35,123.95

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Solution

The fourth proportional to 55,271.01, 76,286.29 and 35,123.95 is: 48,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.01 : 76,286.29 = 35,123.95 : x
  2. Step 2: Convert to fraction form
    55,271.01/76,286.29 = 35,123.95/x
  3. Step 3: Cross multiply
    55,271.01x = 76,286.29 × 35,123.95
  4. Step 4: Simplify right side
    55,271.01x = 2,679,476,123.61
  5. Step 5: Solve for x
    x = 2,679,476,123.61/55,271.01
  6. Step 6: Final answer
    x = 48,478.87

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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.