Home / 55,082.39-76,014.18-29,931.89

Finding the Fourth Proportional to 55,082.39, 76,014.18 and 29,931.89

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Solution

The fourth proportional to 55,082.39, 76,014.18 and 29,931.89 is: 41,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.39 : 76,014.18 = 29,931.89 : x
  2. Step 2: Convert to fraction form
    55,082.39/76,014.18 = 29,931.89/x
  3. Step 3: Cross multiply
    55,082.39x = 76,014.18 × 29,931.89
  4. Step 4: Simplify right side
    55,082.39x = 2,275,248,121.71
  5. Step 5: Solve for x
    x = 2,275,248,121.71/55,082.39
  6. Step 6: Final answer
    x = 41,306.27

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1.5x scale

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.