Home / 78,964.08-118,441.26-26,369.16

Finding the Fourth Proportional to 78,964.08, 118,441.26 and 26,369.16

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Solution

The fourth proportional to 78,964.08, 118,441.26 and 26,369.16 is: 39,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,964.08 : 118,441.26 = 26,369.16 : x
  2. Step 2: Convert to fraction form
    78,964.08/118,441.26 = 26,369.16/x
  3. Step 3: Cross multiply
    78,964.08x = 118,441.26 × 26,369.16
  4. Step 4: Simplify right side
    78,964.08x = 3,123,196,535.54
  5. Step 5: Solve for x
    x = 3,123,196,535.54/78,964.08
  6. Step 6: Final answer
    x = 39,552.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.