Home / 79,750.10-119,625.33-74,878.58

Finding the Fourth Proportional to 79,750.10, 119,625.33 and 74,878.58

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Solution

The fourth proportional to 79,750.10, 119,625.33 and 74,878.58 is: 112,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.10 : 119,625.33 = 74,878.58 : x
  2. Step 2: Convert to fraction form
    79,750.10/119,625.33 = 74,878.58/x
  3. Step 3: Cross multiply
    79,750.10x = 119,625.33 × 74,878.58
  4. Step 4: Simplify right side
    79,750.10x = 8,957,374,842.43
  5. Step 5: Solve for x
    x = 8,957,374,842.43/79,750.10
  6. Step 6: Final answer
    x = 112,318.04

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1.5x scale

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.