Home / 72,550.26-100,130.04-44,272.38

Finding the Fourth Proportional to 72,550.26, 100,130.04 and 44,272.38

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Solution

The fourth proportional to 72,550.26, 100,130.04 and 44,272.38 is: 61,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,550.26 : 100,130.04 = 44,272.38 : x
  2. Step 2: Convert to fraction form
    72,550.26/100,130.04 = 44,272.38/x
  3. Step 3: Cross multiply
    72,550.26x = 100,130.04 × 44,272.38
  4. Step 4: Simplify right side
    72,550.26x = 4,432,995,180.30
  5. Step 5: Solve for x
    x = 4,432,995,180.30/72,550.26
  6. Step 6: Final answer
    x = 61,102.40

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1.5x scale

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.