Home / 83,919.32-115,808.66-45,679.01

Finding the Fourth Proportional to 83,919.32, 115,808.66 and 45,679.01

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Solution

The fourth proportional to 83,919.32, 115,808.66 and 45,679.01 is: 63,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,919.32 : 115,808.66 = 45,679.01 : x
  2. Step 2: Convert to fraction form
    83,919.32/115,808.66 = 45,679.01/x
  3. Step 3: Cross multiply
    83,919.32x = 115,808.66 × 45,679.01
  4. Step 4: Simplify right side
    83,919.32x = 5,290,024,938.23
  5. Step 5: Solve for x
    x = 5,290,024,938.23/83,919.32
  6. Step 6: Final answer
    x = 63,037.03

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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.