Home / 68,117.05-94,000.05-39,437.92

Finding the Fourth Proportional to 68,117.05, 94,000.05 and 39,437.92

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Solution

The fourth proportional to 68,117.05, 94,000.05 and 39,437.92 is: 54,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.05 : 94,000.05 = 39,437.92 : x
  2. Step 2: Convert to fraction form
    68,117.05/94,000.05 = 39,437.92/x
  3. Step 3: Cross multiply
    68,117.05x = 94,000.05 × 39,437.92
  4. Step 4: Simplify right side
    68,117.05x = 3,707,166,451.90
  5. Step 5: Solve for x
    x = 3,707,166,451.90/68,117.05
  6. Step 6: Final answer
    x = 54,423.47

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1.5x scale

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.