Home / 88,631.25-122,311.50-48,345.87

Finding the Fourth Proportional to 88,631.25, 122,311.50 and 48,345.87

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Solution

The fourth proportional to 88,631.25, 122,311.50 and 48,345.87 is: 66,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.25 : 122,311.50 = 48,345.87 : x
  2. Step 2: Convert to fraction form
    88,631.25/122,311.50 = 48,345.87/x
  3. Step 3: Cross multiply
    88,631.25x = 122,311.50 × 48,345.87
  4. Step 4: Simplify right side
    88,631.25x = 5,913,255,878.51
  5. Step 5: Solve for x
    x = 5,913,255,878.51/88,631.25
  6. Step 6: Final answer
    x = 66,717.51

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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.