Home / 67,864.64-101,822.88-38,315.84

Finding the Fourth Proportional to 67,864.64, 101,822.88 and 38,315.84

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Solution

The fourth proportional to 67,864.64, 101,822.88 and 38,315.84 is: 57,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,864.64 : 101,822.88 = 38,315.84 : x
  2. Step 2: Convert to fraction form
    67,864.64/101,822.88 = 38,315.84/x
  3. Step 3: Cross multiply
    67,864.64x = 101,822.88 × 38,315.84
  4. Step 4: Simplify right side
    67,864.64x = 3,901,429,178.42
  5. Step 5: Solve for x
    x = 3,901,429,178.42/67,864.64
  6. Step 6: Final answer
    x = 57,488.39

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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.