Home / 91,066.59-125,601.23-80,868.35

Finding the Fourth Proportional to 91,066.59, 125,601.23 and 80,868.35

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Solution

The fourth proportional to 91,066.59, 125,601.23 and 80,868.35 is: 111,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,066.59 : 125,601.23 = 80,868.35 : x
  2. Step 2: Convert to fraction form
    91,066.59/125,601.23 = 80,868.35/x
  3. Step 3: Cross multiply
    91,066.59x = 125,601.23 × 80,868.35
  4. Step 4: Simplify right side
    91,066.59x = 10,157,163,195.72
  5. Step 5: Solve for x
    x = 10,157,163,195.72/91,066.59
  6. Step 6: Final answer
    x = 111,535.57

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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.