Home / 68,355.77-94,330.85-38,139.26

Finding the Fourth Proportional to 68,355.77, 94,330.85 and 38,139.26

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Solution

The fourth proportional to 68,355.77, 94,330.85 and 38,139.26 is: 52,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.77 : 94,330.85 = 38,139.26 : x
  2. Step 2: Convert to fraction form
    68,355.77/94,330.85 = 38,139.26/x
  3. Step 3: Cross multiply
    68,355.77x = 94,330.85 × 38,139.26
  4. Step 4: Simplify right side
    68,355.77x = 3,597,708,151.82
  5. Step 5: Solve for x
    x = 3,597,708,151.82/68,355.77
  6. Step 6: Final answer
    x = 52,632.11

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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.