Home / 91,912.32-126,833.13-51,624.99

Finding the Fourth Proportional to 91,912.32, 126,833.13 and 51,624.99

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Solution

The fourth proportional to 91,912.32, 126,833.13 and 51,624.99 is: 71,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,912.32 : 126,833.13 = 51,624.99 : x
  2. Step 2: Convert to fraction form
    91,912.32/126,833.13 = 51,624.99/x
  3. Step 3: Cross multiply
    91,912.32x = 126,833.13 × 51,624.99
  4. Step 4: Simplify right side
    91,912.32x = 6,547,759,067.92
  5. Step 5: Solve for x
    x = 6,547,759,067.92/91,912.32
  6. Step 6: Final answer
    x = 71,239.19

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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.