Home / 74,587.24-111,880.14-35,122.78

Finding the Fourth Proportional to 74,587.24, 111,880.14 and 35,122.78

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Solution

The fourth proportional to 74,587.24, 111,880.14 and 35,122.78 is: 52,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,587.24 : 111,880.14 = 35,122.78 : x
  2. Step 2: Convert to fraction form
    74,587.24/111,880.14 = 35,122.78/x
  3. Step 3: Cross multiply
    74,587.24x = 111,880.14 × 35,122.78
  4. Step 4: Simplify right side
    74,587.24x = 3,929,541,543.59
  5. Step 5: Solve for x
    x = 3,929,541,543.59/74,587.24
  6. Step 6: Final answer
    x = 52,683.83

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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.