Home / 67,558.32-93,227.76-39,261.78

Finding the Fourth Proportional to 67,558.32, 93,227.76 and 39,261.78

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Solution

The fourth proportional to 67,558.32, 93,227.76 and 39,261.78 is: 54,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.32 : 93,227.76 = 39,261.78 : x
  2. Step 2: Convert to fraction form
    67,558.32/93,227.76 = 39,261.78/x
  3. Step 3: Cross multiply
    67,558.32x = 93,227.76 × 39,261.78
  4. Step 4: Simplify right side
    67,558.32x = 3,660,287,803.01
  5. Step 5: Solve for x
    x = 3,660,287,803.01/67,558.32
  6. Step 6: Final answer
    x = 54,179.67

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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.