Home / 66,917.65-92,265.60-57,826.75

Finding the Fourth Proportional to 66,917.65, 92,265.60 and 57,826.75

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Solution

The fourth proportional to 66,917.65, 92,265.60 and 57,826.75 is: 79,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.65 : 92,265.60 = 57,826.75 : x
  2. Step 2: Convert to fraction form
    66,917.65/92,265.60 = 57,826.75/x
  3. Step 3: Cross multiply
    66,917.65x = 92,265.60 × 57,826.75
  4. Step 4: Simplify right side
    66,917.65x = 5,335,419,784.80
  5. Step 5: Solve for x
    x = 5,335,419,784.80/66,917.65
  6. Step 6: Final answer
    x = 79,731.13

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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.