Home / 85,292.12-117,557.52-58,387.16

Finding the Fourth Proportional to 85,292.12, 117,557.52 and 58,387.16

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Solution

The fourth proportional to 85,292.12, 117,557.52 and 58,387.16 is: 80,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.12 : 117,557.52 = 58,387.16 : x
  2. Step 2: Convert to fraction form
    85,292.12/117,557.52 = 58,387.16/x
  3. Step 3: Cross multiply
    85,292.12x = 117,557.52 × 58,387.16
  4. Step 4: Simplify right side
    85,292.12x = 6,863,849,729.44
  5. Step 5: Solve for x
    x = 6,863,849,729.44/85,292.12
  6. Step 6: Final answer
    x = 80,474.61

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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.