Home / 91,571.35-126,387.98-53,867.11

Finding the Fourth Proportional to 91,571.35, 126,387.98 and 53,867.11

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Solution

The fourth proportional to 91,571.35, 126,387.98 and 53,867.11 is: 74,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.35 : 126,387.98 = 53,867.11 : x
  2. Step 2: Convert to fraction form
    91,571.35/126,387.98 = 53,867.11/x
  3. Step 3: Cross multiply
    91,571.35x = 126,387.98 × 53,867.11
  4. Step 4: Simplify right side
    91,571.35x = 6,808,154,724.07
  5. Step 5: Solve for x
    x = 6,808,154,724.07/91,571.35
  6. Step 6: Final answer
    x = 74,348.09

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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.