Home / 65,723.10-98,584.65-30,666.30

Finding the Fourth Proportional to 65,723.10, 98,584.65 and 30,666.30

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Solution

The fourth proportional to 65,723.10, 98,584.65 and 30,666.30 is: 45,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.10 : 98,584.65 = 30,666.30 : x
  2. Step 2: Convert to fraction form
    65,723.10/98,584.65 = 30,666.30/x
  3. Step 3: Cross multiply
    65,723.10x = 98,584.65 × 30,666.30
  4. Step 4: Simplify right side
    65,723.10x = 3,023,226,452.30
  5. Step 5: Solve for x
    x = 3,023,226,452.30/65,723.10
  6. Step 6: Final answer
    x = 45,999.45

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Similar ratio
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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.