Home / 83,500.86-115,230.51-45,775.02

Finding the Fourth Proportional to 83,500.86, 115,230.51 and 45,775.02

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Solution

The fourth proportional to 83,500.86, 115,230.51 and 45,775.02 is: 63,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,500.86 : 115,230.51 = 45,775.02 : x
  2. Step 2: Convert to fraction form
    83,500.86/115,230.51 = 45,775.02/x
  3. Step 3: Cross multiply
    83,500.86x = 115,230.51 × 45,775.02
  4. Step 4: Simplify right side
    83,500.86x = 5,274,678,899.86
  5. Step 5: Solve for x
    x = 5,274,678,899.86/83,500.86
  6. Step 6: Final answer
    x = 63,169.16

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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.