Home / 111,845.85-154,345.32-60,856.86

Finding the Fourth Proportional to 111,845.85, 154,345.32 and 60,856.86

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Solution

The fourth proportional to 111,845.85, 154,345.32 and 60,856.86 is: 83,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,845.85 : 154,345.32 = 60,856.86 : x
  2. Step 2: Convert to fraction form
    111,845.85/154,345.32 = 60,856.86/x
  3. Step 3: Cross multiply
    111,845.85x = 154,345.32 × 60,856.86
  4. Step 4: Simplify right side
    111,845.85x = 9,392,971,530.90
  5. Step 5: Solve for x
    x = 9,392,971,530.90/111,845.85
  6. Step 6: Final answer
    x = 83,981.40

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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.