Home / 91,759.92-126,638.28-51,484.56

Finding the Fourth Proportional to 91,759.92, 126,638.28 and 51,484.56

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Solution

The fourth proportional to 91,759.92, 126,638.28 and 51,484.56 is: 71,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,759.92 : 126,638.28 = 51,484.56 : x
  2. Step 2: Convert to fraction form
    91,759.92/126,638.28 = 51,484.56/x
  3. Step 3: Cross multiply
    91,759.92x = 126,638.28 × 51,484.56
  4. Step 4: Simplify right side
    91,759.92x = 6,519,916,124.96
  5. Step 5: Solve for x
    x = 6,519,916,124.96/91,759.92
  6. Step 6: Final answer
    x = 71,054.07

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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.