Home / 77,382.04-116,005.02-30,667.72

Finding the Fourth Proportional to 77,382.04, 116,005.02 and 30,667.72

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Solution

The fourth proportional to 77,382.04, 116,005.02 and 30,667.72 is: 45,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.04 : 116,005.02 = 30,667.72 : x
  2. Step 2: Convert to fraction form
    77,382.04/116,005.02 = 30,667.72/x
  3. Step 3: Cross multiply
    77,382.04x = 116,005.02 × 30,667.72
  4. Step 4: Simplify right side
    77,382.04x = 3,557,609,471.95
  5. Step 5: Solve for x
    x = 3,557,609,471.95/77,382.04
  6. Step 6: Final answer
    x = 45,974.61

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1.5x scale

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.