Home / 65,108.20-97,662.30-28,244.20

Finding the Fourth Proportional to 65,108.20, 97,662.30 and 28,244.20

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Solution

The fourth proportional to 65,108.20, 97,662.30 and 28,244.20 is: 42,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.20 : 97,662.30 = 28,244.20 : x
  2. Step 2: Convert to fraction form
    65,108.20/97,662.30 = 28,244.20/x
  3. Step 3: Cross multiply
    65,108.20x = 97,662.30 × 28,244.20
  4. Step 4: Simplify right side
    65,108.20x = 2,758,393,533.66
  5. Step 5: Solve for x
    x = 2,758,393,533.66/65,108.20
  6. Step 6: Final answer
    x = 42,366.30

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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.