Home / 60,331.36-83,260.56-39,128.80

Finding the Fourth Proportional to 60,331.36, 83,260.56 and 39,128.80

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Solution

The fourth proportional to 60,331.36, 83,260.56 and 39,128.80 is: 53,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331.36 : 83,260.56 = 39,128.80 : x
  2. Step 2: Convert to fraction form
    60,331.36/83,260.56 = 39,128.80/x
  3. Step 3: Cross multiply
    60,331.36x = 83,260.56 × 39,128.80
  4. Step 4: Simplify right side
    60,331.36x = 3,257,885,800.13
  5. Step 5: Solve for x
    x = 3,257,885,800.13/60,331.36
  6. Step 6: Final answer
    x = 53,999.87

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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.