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Finding the Fourth Proportional to 65,351.57, 97,584.68 and 51,873.35

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Solution

The fourth proportional to 65,351.57, 97,584.68 and 51,873.35 is: 77,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,351.57 : 97,584.68 = 51,873.35 : x
  2. Step 2: Convert to fraction form
    65,351.57/97,584.68 = 51,873.35/x
  3. Step 3: Cross multiply
    65,351.57x = 97,584.68 × 51,873.35
  4. Step 4: Simplify right side
    65,351.57x = 5,062,043,902.04
  5. Step 5: Solve for x
    x = 5,062,043,902.04/65,351.57
  6. Step 6: Final answer
    x = 77,458.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.