Home / 52,520.05-78,743.17-19,235.79

Finding the Fourth Proportional to 52,520.05, 78,743.17 and 19,235.79

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Solution

The fourth proportional to 52,520.05, 78,743.17 and 19,235.79 is: 28,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.05 : 78,743.17 = 19,235.79 : x
  2. Step 2: Convert to fraction form
    52,520.05/78,743.17 = 19,235.79/x
  3. Step 3: Cross multiply
    52,520.05x = 78,743.17 × 19,235.79
  4. Step 4: Simplify right side
    52,520.05x = 1,514,687,082.05
  5. Step 5: Solve for x
    x = 1,514,687,082.05/52,520.05
  6. Step 6: Final answer
    x = 28,840.17

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1.5x scale

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.