Home / 67,793.28-93,557.15-40,930.57

Finding the Fourth Proportional to 67,793.28, 93,557.15 and 40,930.57

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Solution

The fourth proportional to 67,793.28, 93,557.15 and 40,930.57 is: 56,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,793.28 : 93,557.15 = 40,930.57 : x
  2. Step 2: Convert to fraction form
    67,793.28/93,557.15 = 40,930.57/x
  3. Step 3: Cross multiply
    67,793.28x = 93,557.15 × 40,930.57
  4. Step 4: Simplify right side
    67,793.28x = 3,829,347,477.08
  5. Step 5: Solve for x
    x = 3,829,347,477.08/67,793.28
  6. Step 6: Final answer
    x = 56,485.65

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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.