Home / 84,495.52-116,616.32-48,678.72

Finding the Fourth Proportional to 84,495.52, 116,616.32 and 48,678.72

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Solution

The fourth proportional to 84,495.52, 116,616.32 and 48,678.72 is: 67,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,495.52 : 116,616.32 = 48,678.72 : x
  2. Step 2: Convert to fraction form
    84,495.52/116,616.32 = 48,678.72/x
  3. Step 3: Cross multiply
    84,495.52x = 116,616.32 × 48,678.72
  4. Step 4: Simplify right side
    84,495.52x = 5,676,733,188.71
  5. Step 5: Solve for x
    x = 5,676,733,188.71/84,495.52
  6. Step 6: Final answer
    x = 67,183.84

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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.