Home / 88,630.35-122,311.54-48,345.55

Finding the Fourth Proportional to 88,630.35, 122,311.54 and 48,345.55

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Solution

The fourth proportional to 88,630.35, 122,311.54 and 48,345.55 is: 66,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.35 : 122,311.54 = 48,345.55 : x
  2. Step 2: Convert to fraction form
    88,630.35/122,311.54 = 48,345.55/x
  3. Step 3: Cross multiply
    88,630.35x = 122,311.54 × 48,345.55
  4. Step 4: Simplify right side
    88,630.35x = 5,913,218,907.27
  5. Step 5: Solve for x
    x = 5,913,218,907.27/88,630.35
  6. Step 6: Final answer
    x = 66,717.76

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1.5x scale

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.