Home / 61,138.31-91,701.32-16,769.52

Finding the Fourth Proportional to 61,138.31, 91,701.32 and 16,769.52

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Solution

The fourth proportional to 61,138.31, 91,701.32 and 16,769.52 is: 25,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,138.31 : 91,701.32 = 16,769.52 : x
  2. Step 2: Convert to fraction form
    61,138.31/91,701.32 = 16,769.52/x
  3. Step 3: Cross multiply
    61,138.31x = 91,701.32 × 16,769.52
  4. Step 4: Simplify right side
    61,138.31x = 1,537,787,035.92
  5. Step 5: Solve for x
    x = 1,537,787,035.92/61,138.31
  6. Step 6: Final answer
    x = 25,152.60

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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.