Home / 115,758.08-173,592.96-40,864.28

Finding the Fourth Proportional to 115,758.08, 173,592.96 and 40,864.28

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Solution

The fourth proportional to 115,758.08, 173,592.96 and 40,864.28 is: 61,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,758.08 : 173,592.96 = 40,864.28 : x
  2. Step 2: Convert to fraction form
    115,758.08/173,592.96 = 40,864.28/x
  3. Step 3: Cross multiply
    115,758.08x = 173,592.96 × 40,864.28
  4. Step 4: Simplify right side
    115,758.08x = 7,093,751,323.47
  5. Step 5: Solve for x
    x = 7,093,751,323.47/115,758.08
  6. Step 6: Final answer
    x = 61,280.83

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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.