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Finding the Fourth Proportional to 65,065.70, 97,744.35 and 62,408.90

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Solution

The fourth proportional to 65,065.70, 97,744.35 and 62,408.90 is: 93,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,065.70 : 97,744.35 = 62,408.90 : x
  2. Step 2: Convert to fraction form
    65,065.70/97,744.35 = 62,408.90/x
  3. Step 3: Cross multiply
    65,065.70x = 97,744.35 × 62,408.90
  4. Step 4: Simplify right side
    65,065.70x = 6,100,117,364.72
  5. Step 5: Solve for x
    x = 6,100,117,364.72/65,065.70
  6. Step 6: Final answer
    x = 93,753.20

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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.