Home / 68,378.31-94,401.54-52,117.92

Finding the Fourth Proportional to 68,378.31, 94,401.54 and 52,117.92

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Solution

The fourth proportional to 68,378.31, 94,401.54 and 52,117.92 is: 71,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.31 : 94,401.54 = 52,117.92 : x
  2. Step 2: Convert to fraction form
    68,378.31/94,401.54 = 52,117.92/x
  3. Step 3: Cross multiply
    68,378.31x = 94,401.54 × 52,117.92
  4. Step 4: Simplify right side
    68,378.31x = 4,920,011,909.60
  5. Step 5: Solve for x
    x = 4,920,011,909.60/68,378.31
  6. Step 6: Final answer
    x = 71,952.82

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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.