Home / 67,330.92-92,925-40,487.52

Finding the Fourth Proportional to 67,330.92, 92,925 and 40,487.52

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Solution

The fourth proportional to 67,330.92, 92,925 and 40,487.52 is: 55,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,330.92 : 92,925 = 40,487.52 : x
  2. Step 2: Convert to fraction form
    67,330.92/92,925 = 40,487.52/x
  3. Step 3: Cross multiply
    67,330.92x = 92,925 × 40,487.52
  4. Step 4: Simplify right side
    67,330.92x = 3,762,302,796.00
  5. Step 5: Solve for x
    x = 3,762,302,796.00/67,330.92
  6. Step 6: Final answer
    x = 55,877.79

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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.