Home / 80,437.64-120,003.33-76,083.08

Finding the Fourth Proportional to 80,437.64, 120,003.33 and 76,083.08

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Solution

The fourth proportional to 80,437.64, 120,003.33 and 76,083.08 is: 113,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.64 : 120,003.33 = 76,083.08 : x
  2. Step 2: Convert to fraction form
    80,437.64/120,003.33 = 76,083.08/x
  3. Step 3: Cross multiply
    80,437.64x = 120,003.33 × 76,083.08
  4. Step 4: Simplify right side
    80,437.64x = 9,130,222,956.66
  5. Step 5: Solve for x
    x = 9,130,222,956.66/80,437.64
  6. Step 6: Final answer
    x = 113,506.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.