Home / 86,930.32-119,935.80-48,684.16

Finding the Fourth Proportional to 86,930.32, 119,935.80 and 48,684.16

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Solution

The fourth proportional to 86,930.32, 119,935.80 and 48,684.16 is: 67,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,930.32 : 119,935.80 = 48,684.16 : x
  2. Step 2: Convert to fraction form
    86,930.32/119,935.80 = 48,684.16/x
  3. Step 3: Cross multiply
    86,930.32x = 119,935.80 × 48,684.16
  4. Step 4: Simplify right side
    86,930.32x = 5,838,973,676.93
  5. Step 5: Solve for x
    x = 5,838,973,676.93/86,930.32
  6. Step 6: Final answer
    x = 67,168.44

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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.