Home / 100,766.19-151,209.51-37,630.65

Finding the Fourth Proportional to 100,766.19, 151,209.51 and 37,630.65

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Solution

The fourth proportional to 100,766.19, 151,209.51 and 37,630.65 is: 56,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,766.19 : 151,209.51 = 37,630.65 : x
  2. Step 2: Convert to fraction form
    100,766.19/151,209.51 = 37,630.65/x
  3. Step 3: Cross multiply
    100,766.19x = 151,209.51 × 37,630.65
  4. Step 4: Simplify right side
    100,766.19x = 5,690,111,959.33
  5. Step 5: Solve for x
    x = 5,690,111,959.33/100,766.19
  6. Step 6: Final answer
    x = 56,468.46

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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.