Home / 67,207.20-92,740.50-38,914.68

Finding the Fourth Proportional to 67,207.20, 92,740.50 and 38,914.68

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Solution

The fourth proportional to 67,207.20, 92,740.50 and 38,914.68 is: 53,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,207.20 : 92,740.50 = 38,914.68 : x
  2. Step 2: Convert to fraction form
    67,207.20/92,740.50 = 38,914.68/x
  3. Step 3: Cross multiply
    67,207.20x = 92,740.50 × 38,914.68
  4. Step 4: Simplify right side
    67,207.20x = 3,608,966,880.54
  5. Step 5: Solve for x
    x = 3,608,966,880.54/67,207.20
  6. Step 6: Final answer
    x = 53,699.11

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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.