Home / 115,674.39-173,432.52-61,647.21

Finding the Fourth Proportional to 115,674.39, 173,432.52 and 61,647.21

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Solution

The fourth proportional to 115,674.39, 173,432.52 and 61,647.21 is: 92,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.39 : 173,432.52 = 61,647.21 : x
  2. Step 2: Convert to fraction form
    115,674.39/173,432.52 = 61,647.21/x
  3. Step 3: Cross multiply
    115,674.39x = 173,432.52 × 61,647.21
  4. Step 4: Simplify right side
    115,674.39x = 10,691,630,981.27
  5. Step 5: Solve for x
    x = 10,691,630,981.27/115,674.39
  6. Step 6: Final answer
    x = 92,428.68

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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.