Home / 78,501.96-108,329.41-44,512.75

Finding the Fourth Proportional to 78,501.96, 108,329.41 and 44,512.75

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Solution

The fourth proportional to 78,501.96, 108,329.41 and 44,512.75 is: 61,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,501.96 : 108,329.41 = 44,512.75 : x
  2. Step 2: Convert to fraction form
    78,501.96/108,329.41 = 44,512.75/x
  3. Step 3: Cross multiply
    78,501.96x = 108,329.41 × 44,512.75
  4. Step 4: Simplify right side
    78,501.96x = 4,822,039,944.98
  5. Step 5: Solve for x
    x = 4,822,039,944.98/78,501.96
  6. Step 6: Final answer
    x = 61,425.73

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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.