Home / 65,431.16-90,204.30-44,176.76

Finding the Fourth Proportional to 65,431.16, 90,204.30 and 44,176.76

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Solution

The fourth proportional to 65,431.16, 90,204.30 and 44,176.76 is: 60,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,431.16 : 90,204.30 = 44,176.76 : x
  2. Step 2: Convert to fraction form
    65,431.16/90,204.30 = 44,176.76/x
  3. Step 3: Cross multiply
    65,431.16x = 90,204.30 × 44,176.76
  4. Step 4: Simplify right side
    65,431.16x = 3,984,933,712.07
  5. Step 5: Solve for x
    x = 3,984,933,712.07/65,431.16
  6. Step 6: Final answer
    x = 60,902.69

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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.