Home / 91,993.61-126,954.78-51,707.24

Finding the Fourth Proportional to 91,993.61, 126,954.78 and 51,707.24

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Solution

The fourth proportional to 91,993.61, 126,954.78 and 51,707.24 is: 71,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,993.61 : 126,954.78 = 51,707.24 : x
  2. Step 2: Convert to fraction form
    91,993.61/126,954.78 = 51,707.24/x
  3. Step 3: Cross multiply
    91,993.61x = 126,954.78 × 51,707.24
  4. Step 4: Simplify right side
    91,993.61x = 6,564,481,640.13
  5. Step 5: Solve for x
    x = 6,564,481,640.13/91,993.61
  6. Step 6: Final answer
    x = 71,358.02

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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.