Home / 91,244.28-136,885.68-34,318.56

Finding the Fourth Proportional to 91,244.28, 136,885.68 and 34,318.56

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Solution

The fourth proportional to 91,244.28, 136,885.68 and 34,318.56 is: 51,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,244.28 : 136,885.68 = 34,318.56 : x
  2. Step 2: Convert to fraction form
    91,244.28/136,885.68 = 34,318.56/x
  3. Step 3: Cross multiply
    91,244.28x = 136,885.68 × 34,318.56
  4. Step 4: Simplify right side
    91,244.28x = 4,697,719,422.22
  5. Step 5: Solve for x
    x = 4,697,719,422.22/91,244.28
  6. Step 6: Final answer
    x = 51,485.08

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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.