Home / 83,076.48-124,632-36,316.80

Finding the Fourth Proportional to 83,076.48, 124,632 and 36,316.80

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Solution

The fourth proportional to 83,076.48, 124,632 and 36,316.80 is: 54,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,076.48 : 124,632 = 36,316.80 : x
  2. Step 2: Convert to fraction form
    83,076.48/124,632 = 36,316.80/x
  3. Step 3: Cross multiply
    83,076.48x = 124,632 × 36,316.80
  4. Step 4: Simplify right side
    83,076.48x = 4,526,235,417.60
  5. Step 5: Solve for x
    x = 4,526,235,417.60/83,076.48
  6. Step 6: Final answer
    x = 54,482.75

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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.