Home / 52,719.11-72,782.45-34,865.90

Finding the Fourth Proportional to 52,719.11, 72,782.45 and 34,865.90

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Solution

The fourth proportional to 52,719.11, 72,782.45 and 34,865.90 is: 48,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.11 : 72,782.45 = 34,865.90 : x
  2. Step 2: Convert to fraction form
    52,719.11/72,782.45 = 34,865.90/x
  3. Step 3: Cross multiply
    52,719.11x = 72,782.45 × 34,865.90
  4. Step 4: Simplify right side
    52,719.11x = 2,537,625,623.46
  5. Step 5: Solve for x
    x = 2,537,625,623.46/52,719.11
  6. Step 6: Final answer
    x = 48,134.83

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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.