Home / 91,366.72-126,088.84-51,082.18

Finding the Fourth Proportional to 91,366.72, 126,088.84 and 51,082.18

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Solution

The fourth proportional to 91,366.72, 126,088.84 and 51,082.18 is: 70,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,366.72 : 126,088.84 = 51,082.18 : x
  2. Step 2: Convert to fraction form
    91,366.72/126,088.84 = 51,082.18/x
  3. Step 3: Cross multiply
    91,366.72x = 126,088.84 × 51,082.18
  4. Step 4: Simplify right side
    91,366.72x = 6,440,892,820.87
  5. Step 5: Solve for x
    x = 6,440,892,820.87/91,366.72
  6. Step 6: Final answer
    x = 70,494.96

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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.