Home / 67,394.22-93,003.78-38,715.75

Finding the Fourth Proportional to 67,394.22, 93,003.78 and 38,715.75

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Solution

The fourth proportional to 67,394.22, 93,003.78 and 38,715.75 is: 53,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394.22 : 93,003.78 = 38,715.75 : x
  2. Step 2: Convert to fraction form
    67,394.22/93,003.78 = 38,715.75/x
  3. Step 3: Cross multiply
    67,394.22x = 93,003.78 × 38,715.75
  4. Step 4: Simplify right side
    67,394.22x = 3,600,711,095.54
  5. Step 5: Solve for x
    x = 3,600,711,095.54/67,394.22
  6. Step 6: Final answer
    x = 53,427.60

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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.