Home / 91,382.30-126,107.15-51,096.07

Finding the Fourth Proportional to 91,382.30, 126,107.15 and 51,096.07

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Solution

The fourth proportional to 91,382.30, 126,107.15 and 51,096.07 is: 70,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,382.30 : 126,107.15 = 51,096.07 : x
  2. Step 2: Convert to fraction form
    91,382.30/126,107.15 = 51,096.07/x
  3. Step 3: Cross multiply
    91,382.30x = 126,107.15 × 51,096.07
  4. Step 4: Simplify right side
    91,382.30x = 6,443,579,133.36
  5. Step 5: Solve for x
    x = 6,443,579,133.36/91,382.30
  6. Step 6: Final answer
    x = 70,512.33

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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.