Home / 91,982.61-126,970.70-53,754.62

Finding the Fourth Proportional to 91,982.61, 126,970.70 and 53,754.62

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Solution

The fourth proportional to 91,982.61, 126,970.70 and 53,754.62 is: 74,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.61 : 126,970.70 = 53,754.62 : x
  2. Step 2: Convert to fraction form
    91,982.61/126,970.70 = 53,754.62/x
  3. Step 3: Cross multiply
    91,982.61x = 126,970.70 × 53,754.62
  4. Step 4: Simplify right side
    91,982.61x = 6,825,260,826.01
  5. Step 5: Solve for x
    x = 6,825,260,826.01/91,982.61
  6. Step 6: Final answer
    x = 74,201.64

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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.