Home / 68,330.28-102,534.35-54,566.76

Finding the Fourth Proportional to 68,330.28, 102,534.35 and 54,566.76

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Solution

The fourth proportional to 68,330.28, 102,534.35 and 54,566.76 is: 81,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.28 : 102,534.35 = 54,566.76 : x
  2. Step 2: Convert to fraction form
    68,330.28/102,534.35 = 54,566.76/x
  3. Step 3: Cross multiply
    68,330.28x = 102,534.35 × 54,566.76
  4. Step 4: Simplify right side
    68,330.28x = 5,594,966,995.37
  5. Step 5: Solve for x
    x = 5,594,966,995.37/68,330.28
  6. Step 6: Final answer
    x = 81,881.22

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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.