Home / 74,159.52-111,161.91-36,696.21

Finding the Fourth Proportional to 74,159.52, 111,161.91 and 36,696.21

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Solution

The fourth proportional to 74,159.52, 111,161.91 and 36,696.21 is: 55,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.52 : 111,161.91 = 36,696.21 : x
  2. Step 2: Convert to fraction form
    74,159.52/111,161.91 = 36,696.21/x
  3. Step 3: Cross multiply
    74,159.52x = 111,161.91 × 36,696.21
  4. Step 4: Simplify right side
    74,159.52x = 4,079,220,793.36
  5. Step 5: Solve for x
    x = 4,079,220,793.36/74,159.52
  6. Step 6: Final answer
    x = 55,006.03

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1.5x scale

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.