Home / 65,743.60-98,615.40-49,219.60

Finding the Fourth Proportional to 65,743.60, 98,615.40 and 49,219.60

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Solution

The fourth proportional to 65,743.60, 98,615.40 and 49,219.60 is: 73,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,743.60 : 98,615.40 = 49,219.60 : x
  2. Step 2: Convert to fraction form
    65,743.60/98,615.40 = 49,219.60/x
  3. Step 3: Cross multiply
    65,743.60x = 98,615.40 × 49,219.60
  4. Step 4: Simplify right side
    65,743.60x = 4,853,810,541.84
  5. Step 5: Solve for x
    x = 4,853,810,541.84/65,743.60
  6. Step 6: Final answer
    x = 73,829.40

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1.5x scale

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.