Home / 80,895.06-121,194.54-58,653.18

Finding the Fourth Proportional to 80,895.06, 121,194.54 and 58,653.18

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Solution

The fourth proportional to 80,895.06, 121,194.54 and 58,653.18 is: 87,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,895.06 : 121,194.54 = 58,653.18 : x
  2. Step 2: Convert to fraction form
    80,895.06/121,194.54 = 58,653.18/x
  3. Step 3: Cross multiply
    80,895.06x = 121,194.54 × 58,653.18
  4. Step 4: Simplify right side
    80,895.06x = 7,108,445,169.64
  5. Step 5: Solve for x
    x = 7,108,445,169.64/80,895.06
  6. Step 6: Final answer
    x = 87,872.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.