Home / 72,472.14-99,977.49-51,263.10

Finding the Fourth Proportional to 72,472.14, 99,977.49 and 51,263.10

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Solution

The fourth proportional to 72,472.14, 99,977.49 and 51,263.10 is: 70,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.14 : 99,977.49 = 51,263.10 : x
  2. Step 2: Convert to fraction form
    72,472.14/99,977.49 = 51,263.10/x
  3. Step 3: Cross multiply
    72,472.14x = 99,977.49 × 51,263.10
  4. Step 4: Simplify right side
    72,472.14x = 5,125,156,067.62
  5. Step 5: Solve for x
    x = 5,125,156,067.62/72,472.14
  6. Step 6: Final answer
    x = 70,718.98

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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.