Home / 62,331.50-93,502.12-20,778.50

Finding the Fourth Proportional to 62,331.50, 93,502.12 and 20,778.50

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Solution

The fourth proportional to 62,331.50, 93,502.12 and 20,778.50 is: 31,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,331.50 : 93,502.12 = 20,778.50 : x
  2. Step 2: Convert to fraction form
    62,331.50/93,502.12 = 20,778.50/x
  3. Step 3: Cross multiply
    62,331.50x = 93,502.12 × 20,778.50
  4. Step 4: Simplify right side
    62,331.50x = 1,942,833,800.42
  5. Step 5: Solve for x
    x = 1,942,833,800.42/62,331.50
  6. Step 6: Final answer
    x = 31,169.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.