Home / 114,780.57-158,397.03-63,791.70

Finding the Fourth Proportional to 114,780.57, 158,397.03 and 63,791.70

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Solution

The fourth proportional to 114,780.57, 158,397.03 and 63,791.70 is: 88,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,780.57 : 158,397.03 = 63,791.70 : x
  2. Step 2: Convert to fraction form
    114,780.57/158,397.03 = 63,791.70/x
  3. Step 3: Cross multiply
    114,780.57x = 158,397.03 × 63,791.70
  4. Step 4: Simplify right side
    114,780.57x = 10,104,415,818.65
  5. Step 5: Solve for x
    x = 10,104,415,818.65/114,780.57
  6. Step 6: Final answer
    x = 88,032.46

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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.