Home / 62,974.28-86,904.08-34,679.76

Finding the Fourth Proportional to 62,974.28, 86,904.08 and 34,679.76

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Solution

The fourth proportional to 62,974.28, 86,904.08 and 34,679.76 is: 47,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,974.28 : 86,904.08 = 34,679.76 : x
  2. Step 2: Convert to fraction form
    62,974.28/86,904.08 = 34,679.76/x
  3. Step 3: Cross multiply
    62,974.28x = 86,904.08 × 34,679.76
  4. Step 4: Simplify right side
    62,974.28x = 3,013,812,637.42
  5. Step 5: Solve for x
    x = 3,013,812,637.42/62,974.28
  6. Step 6: Final answer
    x = 47,857.83

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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.