Home / 66,094.29-91,141.11-39,231.63

Finding the Fourth Proportional to 66,094.29, 91,141.11 and 39,231.63

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Solution

The fourth proportional to 66,094.29, 91,141.11 and 39,231.63 is: 54,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.29 : 91,141.11 = 39,231.63 : x
  2. Step 2: Convert to fraction form
    66,094.29/91,141.11 = 39,231.63/x
  3. Step 3: Cross multiply
    66,094.29x = 91,141.11 × 39,231.63
  4. Step 4: Simplify right side
    66,094.29x = 3,575,614,305.31
  5. Step 5: Solve for x
    x = 3,575,614,305.31/66,094.29
  6. Step 6: Final answer
    x = 54,098.69

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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.