Home / 117,899.42-176,789.04-57,931.88

Finding the Fourth Proportional to 117,899.42, 176,789.04 and 57,931.88

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Solution

The fourth proportional to 117,899.42, 176,789.04 and 57,931.88 is: 86,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,899.42 : 176,789.04 = 57,931.88 : x
  2. Step 2: Convert to fraction form
    117,899.42/176,789.04 = 57,931.88/x
  3. Step 3: Cross multiply
    117,899.42x = 176,789.04 × 57,931.88
  4. Step 4: Simplify right side
    117,899.42x = 10,241,720,566.65
  5. Step 5: Solve for x
    x = 10,241,720,566.65/117,899.42
  6. Step 6: Final answer
    x = 86,868.29

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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.