Home / 65,984.40-98,842.20-40,947.60

Finding the Fourth Proportional to 65,984.40, 98,842.20 and 40,947.60

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Solution

The fourth proportional to 65,984.40, 98,842.20 and 40,947.60 is: 61,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,984.40 : 98,842.20 = 40,947.60 : x
  2. Step 2: Convert to fraction form
    65,984.40/98,842.20 = 40,947.60/x
  3. Step 3: Cross multiply
    65,984.40x = 98,842.20 × 40,947.60
  4. Step 4: Simplify right side
    65,984.40x = 4,047,350,868.72
  5. Step 5: Solve for x
    x = 4,047,350,868.72/65,984.40
  6. Step 6: Final answer
    x = 61,338.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.