Home / 80,532.36-120,801.06-38,417.04

Finding the Fourth Proportional to 80,532.36, 120,801.06 and 38,417.04

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Solution

The fourth proportional to 80,532.36, 120,801.06 and 38,417.04 is: 57,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.36 : 120,801.06 = 38,417.04 : x
  2. Step 2: Convert to fraction form
    80,532.36/120,801.06 = 38,417.04/x
  3. Step 3: Cross multiply
    80,532.36x = 120,801.06 × 38,417.04
  4. Step 4: Simplify right side
    80,532.36x = 4,640,819,154.06
  5. Step 5: Solve for x
    x = 4,640,819,154.06/80,532.36
  6. Step 6: Final answer
    x = 57,626.76

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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.