Home / 91,381.28-126,107.04-53,656.16

Finding the Fourth Proportional to 91,381.28, 126,107.04 and 53,656.16

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Solution

The fourth proportional to 91,381.28, 126,107.04 and 53,656.16 is: 74,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,381.28 : 126,107.04 = 53,656.16 : x
  2. Step 2: Convert to fraction form
    91,381.28/126,107.04 = 53,656.16/x
  3. Step 3: Cross multiply
    91,381.28x = 126,107.04 × 53,656.16
  4. Step 4: Simplify right side
    91,381.28x = 6,766,419,515.37
  5. Step 5: Solve for x
    x = 6,766,419,515.37/91,381.28
  6. Step 6: Final answer
    x = 74,046.01

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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.