Home / 52,715.13-79,060.28-19,417.11

Finding the Fourth Proportional to 52,715.13, 79,060.28 and 19,417.11

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Solution

The fourth proportional to 52,715.13, 79,060.28 and 19,417.11 is: 29,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.13 : 79,060.28 = 19,417.11 : x
  2. Step 2: Convert to fraction form
    52,715.13/79,060.28 = 19,417.11/x
  3. Step 3: Cross multiply
    52,715.13x = 79,060.28 × 19,417.11
  4. Step 4: Simplify right side
    52,715.13x = 1,535,122,056.31
  5. Step 5: Solve for x
    x = 1,535,122,056.31/52,715.13
  6. Step 6: Final answer
    x = 29,121.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.