Home / 60,499.36-83,416.80-39,270.88

Finding the Fourth Proportional to 60,499.36, 83,416.80 and 39,270.88

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Solution

The fourth proportional to 60,499.36, 83,416.80 and 39,270.88 is: 54,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499.36 : 83,416.80 = 39,270.88 : x
  2. Step 2: Convert to fraction form
    60,499.36/83,416.80 = 39,270.88/x
  3. Step 3: Cross multiply
    60,499.36x = 83,416.80 × 39,270.88
  4. Step 4: Simplify right side
    60,499.36x = 3,275,851,142.78
  5. Step 5: Solve for x
    x = 3,275,851,142.78/60,499.36
  6. Step 6: Final answer
    x = 54,146.87

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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.