Home / 92,195.28-126,981-79,598.16

Finding the Fourth Proportional to 92,195.28, 126,981 and 79,598.16

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Solution

The fourth proportional to 92,195.28, 126,981 and 79,598.16 is: 109,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,195.28 : 126,981 = 79,598.16 : x
  2. Step 2: Convert to fraction form
    92,195.28/126,981 = 79,598.16/x
  3. Step 3: Cross multiply
    92,195.28x = 126,981 × 79,598.16
  4. Step 4: Simplify right side
    92,195.28x = 10,107,453,954.96
  5. Step 5: Solve for x
    x = 10,107,453,954.96/92,195.28
  6. Step 6: Final answer
    x = 109,630.93

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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.