Home / 68,294.18-102,416.66-28,854.36

Finding the Fourth Proportional to 68,294.18, 102,416.66 and 28,854.36

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Solution

The fourth proportional to 68,294.18, 102,416.66 and 28,854.36 is: 43,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.18 : 102,416.66 = 28,854.36 : x
  2. Step 2: Convert to fraction form
    68,294.18/102,416.66 = 28,854.36/x
  3. Step 3: Cross multiply
    68,294.18x = 102,416.66 × 28,854.36
  4. Step 4: Simplify right side
    68,294.18x = 2,955,167,177.64
  5. Step 5: Solve for x
    x = 2,955,167,177.64/68,294.18
  6. Step 6: Final answer
    x = 43,271.14

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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.