Home / 62,180.88-85,823.46-39,515.45

Finding the Fourth Proportional to 62,180.88, 85,823.46 and 39,515.45

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Solution

The fourth proportional to 62,180.88, 85,823.46 and 39,515.45 is: 54,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,180.88 : 85,823.46 = 39,515.45 : x
  2. Step 2: Convert to fraction form
    62,180.88/85,823.46 = 39,515.45/x
  3. Step 3: Cross multiply
    62,180.88x = 85,823.46 × 39,515.45
  4. Step 4: Simplify right side
    62,180.88x = 3,391,352,642.46
  5. Step 5: Solve for x
    x = 3,391,352,642.46/62,180.88
  6. Step 6: Final answer
    x = 54,540.12

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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.