Home / 60,939.18-91,436.04-38,746.80

Finding the Fourth Proportional to 60,939.18, 91,436.04 and 38,746.80

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Solution

The fourth proportional to 60,939.18, 91,436.04 and 38,746.80 is: 58,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,939.18 : 91,436.04 = 38,746.80 : x
  2. Step 2: Convert to fraction form
    60,939.18/91,436.04 = 38,746.80/x
  3. Step 3: Cross multiply
    60,939.18x = 91,436.04 × 38,746.80
  4. Step 4: Simplify right side
    60,939.18x = 3,542,853,954.67
  5. Step 5: Solve for x
    x = 3,542,853,954.67/60,939.18
  6. Step 6: Final answer
    x = 58,137.54

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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.