Home / 60,122.70-82,954.38-38,876.40

Finding the Fourth Proportional to 60,122.70, 82,954.38 and 38,876.40

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Solution

The fourth proportional to 60,122.70, 82,954.38 and 38,876.40 is: 53,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,122.70 : 82,954.38 = 38,876.40 : x
  2. Step 2: Convert to fraction form
    60,122.70/82,954.38 = 38,876.40/x
  3. Step 3: Cross multiply
    60,122.70x = 82,954.38 × 38,876.40
  4. Step 4: Simplify right side
    60,122.70x = 3,224,967,658.63
  5. Step 5: Solve for x
    x = 3,224,967,658.63/60,122.70
  6. Step 6: Final answer
    x = 53,639.77

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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.