Home / 65,520.20-98,280.30-64,426.70

Finding the Fourth Proportional to 65,520.20, 98,280.30 and 64,426.70

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Solution

The fourth proportional to 65,520.20, 98,280.30 and 64,426.70 is: 96,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.20 : 98,280.30 = 64,426.70 : x
  2. Step 2: Convert to fraction form
    65,520.20/98,280.30 = 64,426.70/x
  3. Step 3: Cross multiply
    65,520.20x = 98,280.30 × 64,426.70
  4. Step 4: Simplify right side
    65,520.20x = 6,331,875,404.01
  5. Step 5: Solve for x
    x = 6,331,875,404.01/65,520.20
  6. Step 6: Final answer
    x = 96,640.05

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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.