Home / 67,491.96-93,123.18-39,180.84

Finding the Fourth Proportional to 67,491.96, 93,123.18 and 39,180.84

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Solution

The fourth proportional to 67,491.96, 93,123.18 and 39,180.84 is: 54,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.96 : 93,123.18 = 39,180.84 : x
  2. Step 2: Convert to fraction form
    67,491.96/93,123.18 = 39,180.84/x
  3. Step 3: Cross multiply
    67,491.96x = 93,123.18 × 39,180.84
  4. Step 4: Simplify right side
    67,491.96x = 3,648,644,415.87
  5. Step 5: Solve for x
    x = 3,648,644,415.87/67,491.96
  6. Step 6: Final answer
    x = 54,060.43

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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.