Home / 115,118.81-172,359.30-58,837.71

Finding the Fourth Proportional to 115,118.81, 172,359.30 and 58,837.71

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Solution

The fourth proportional to 115,118.81, 172,359.30 and 58,837.71 is: 88,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118.81 : 172,359.30 = 58,837.71 : x
  2. Step 2: Convert to fraction form
    115,118.81/172,359.30 = 58,837.71/x
  3. Step 3: Cross multiply
    115,118.81x = 172,359.30 × 58,837.71
  4. Step 4: Simplify right side
    115,118.81x = 10,141,226,509.20
  5. Step 5: Solve for x
    x = 10,141,226,509.20/115,118.81
  6. Step 6: Final answer
    x = 88,093.57

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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.