Home / 60,385.52-90,608.28-40,408.16

Finding the Fourth Proportional to 60,385.52, 90,608.28 and 40,408.16

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Solution

The fourth proportional to 60,385.52, 90,608.28 and 40,408.16 is: 60,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,385.52 : 90,608.28 = 40,408.16 : x
  2. Step 2: Convert to fraction form
    60,385.52/90,608.28 = 40,408.16/x
  3. Step 3: Cross multiply
    60,385.52x = 90,608.28 × 40,408.16
  4. Step 4: Simplify right side
    60,385.52x = 3,661,313,875.56
  5. Step 5: Solve for x
    x = 3,661,313,875.56/60,385.52
  6. Step 6: Final answer
    x = 60,632.32

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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.