Home / 67,841.12-93,539.40-64,100

Finding the Fourth Proportional to 67,841.12, 93,539.40 and 64,100

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Solution

The fourth proportional to 67,841.12, 93,539.40 and 64,100 is: 88,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,841.12 : 93,539.40 = 64,100 : x
  2. Step 2: Convert to fraction form
    67,841.12/93,539.40 = 64,100/x
  3. Step 3: Cross multiply
    67,841.12x = 93,539.40 × 64,100
  4. Step 4: Simplify right side
    67,841.12x = 5,995,875,540
  5. Step 5: Solve for x
    x = 5,995,875,540/67,841.12
  6. Step 6: Final answer
    x = 88,381.14

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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.