Home / 83,501.92-115,231.68-45,776.16

Finding the Fourth Proportional to 83,501.92, 115,231.68 and 45,776.16

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Solution

The fourth proportional to 83,501.92, 115,231.68 and 45,776.16 is: 63,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.92 : 115,231.68 = 45,776.16 : x
  2. Step 2: Convert to fraction form
    83,501.92/115,231.68 = 45,776.16/x
  3. Step 3: Cross multiply
    83,501.92x = 115,231.68 × 45,776.16
  4. Step 4: Simplify right side
    83,501.92x = 5,274,863,820.75
  5. Step 5: Solve for x
    x = 5,274,863,820.75/83,501.92
  6. Step 6: Final answer
    x = 63,170.57

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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.