Home / 68,002.14-93,816.08-39,316.55

Finding the Fourth Proportional to 68,002.14, 93,816.08 and 39,316.55

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Solution

The fourth proportional to 68,002.14, 93,816.08 and 39,316.55 is: 54,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.14 : 93,816.08 = 39,316.55 : x
  2. Step 2: Convert to fraction form
    68,002.14/93,816.08 = 39,316.55/x
  3. Step 3: Cross multiply
    68,002.14x = 93,816.08 × 39,316.55
  4. Step 4: Simplify right side
    68,002.14x = 3,688,524,600.12
  5. Step 5: Solve for x
    x = 3,688,524,600.12/68,002.14
  6. Step 6: Final answer
    x = 54,241.30

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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.