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Finding the Fourth Proportional to 65,150.66, 97,746.75 and 29,121.55

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Solution

The fourth proportional to 65,150.66, 97,746.75 and 29,121.55 is: 43,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,150.66 : 97,746.75 = 29,121.55 : x
  2. Step 2: Convert to fraction form
    65,150.66/97,746.75 = 29,121.55/x
  3. Step 3: Cross multiply
    65,150.66x = 97,746.75 × 29,121.55
  4. Step 4: Simplify right side
    65,150.66x = 2,846,536,623.10
  5. Step 5: Solve for x
    x = 2,846,536,623.10/65,150.66
  6. Step 6: Final answer
    x = 43,691.60

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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.