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Finding the Fourth Proportional to 70,062, 96,685.56 and 44,911.50

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Solution

The fourth proportional to 70,062, 96,685.56 and 44,911.50 is: 61,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062 : 96,685.56 = 44,911.50 : x
  2. Step 2: Convert to fraction form
    70,062/96,685.56 = 44,911.50/x
  3. Step 3: Cross multiply
    70,062x = 96,685.56 × 44,911.50
  4. Step 4: Simplify right side
    70,062x = 4,342,293,527.94
  5. Step 5: Solve for x
    x = 4,342,293,527.94/70,062
  6. Step 6: Final answer
    x = 61,977.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.