Home / 91,632.28-126,452.48-51,346.36

Finding the Fourth Proportional to 91,632.28, 126,452.48 and 51,346.36

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Solution

The fourth proportional to 91,632.28, 126,452.48 and 51,346.36 is: 70,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632.28 : 126,452.48 = 51,346.36 : x
  2. Step 2: Convert to fraction form
    91,632.28/126,452.48 = 51,346.36/x
  3. Step 3: Cross multiply
    91,632.28x = 126,452.48 × 51,346.36
  4. Step 4: Simplify right side
    91,632.28x = 6,492,874,560.97
  5. Step 5: Solve for x
    x = 6,492,874,560.97/91,632.28
  6. Step 6: Final answer
    x = 70,857.94

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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.