Home / 91,673.72-126,517.03-53,955.26

Finding the Fourth Proportional to 91,673.72, 126,517.03 and 53,955.26

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Solution

The fourth proportional to 91,673.72, 126,517.03 and 53,955.26 is: 74,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,673.72 : 126,517.03 = 53,955.26 : x
  2. Step 2: Convert to fraction form
    91,673.72/126,517.03 = 53,955.26/x
  3. Step 3: Cross multiply
    91,673.72x = 126,517.03 × 53,955.26
  4. Step 4: Simplify right side
    91,673.72x = 6,826,258,955.04
  5. Step 5: Solve for x
    x = 6,826,258,955.04/91,673.72
  6. Step 6: Final answer
    x = 74,462.55

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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.