Home / 65,999.10-98,962.20-26,511.60

Finding the Fourth Proportional to 65,999.10, 98,962.20 and 26,511.60

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Solution

The fourth proportional to 65,999.10, 98,962.20 and 26,511.60 is: 39,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.10 : 98,962.20 = 26,511.60 : x
  2. Step 2: Convert to fraction form
    65,999.10/98,962.20 = 26,511.60/x
  3. Step 3: Cross multiply
    65,999.10x = 98,962.20 × 26,511.60
  4. Step 4: Simplify right side
    65,999.10x = 2,623,646,261.52
  5. Step 5: Solve for x
    x = 2,623,646,261.52/65,999.10
  6. Step 6: Final answer
    x = 39,752.76

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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.