Home / 89,117.16-122,981.62-48,833.44

Finding the Fourth Proportional to 89,117.16, 122,981.62 and 48,833.44

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Solution

The fourth proportional to 89,117.16, 122,981.62 and 48,833.44 is: 67,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.16 : 122,981.62 = 48,833.44 : x
  2. Step 2: Convert to fraction form
    89,117.16/122,981.62 = 48,833.44/x
  3. Step 3: Cross multiply
    89,117.16x = 122,981.62 × 48,833.44
  4. Step 4: Simplify right side
    89,117.16x = 6,005,615,561.37
  5. Step 5: Solve for x
    x = 6,005,615,561.37/89,117.16
  6. Step 6: Final answer
    x = 67,390.11

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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.