Home / 65,717.60-98,576.40-48,221.60

Finding the Fourth Proportional to 65,717.60, 98,576.40 and 48,221.60

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Solution

The fourth proportional to 65,717.60, 98,576.40 and 48,221.60 is: 72,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.60 : 98,576.40 = 48,221.60 : x
  2. Step 2: Convert to fraction form
    65,717.60/98,576.40 = 48,221.60/x
  3. Step 3: Cross multiply
    65,717.60x = 98,576.40 × 48,221.60
  4. Step 4: Simplify right side
    65,717.60x = 4,753,511,730.24
  5. Step 5: Solve for x
    x = 4,753,511,730.24/65,717.60
  6. Step 6: Final answer
    x = 72,332.40

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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.