Home / 115,610.58-173,429.76-40,715.25

Finding the Fourth Proportional to 115,610.58, 173,429.76 and 40,715.25

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Solution

The fourth proportional to 115,610.58, 173,429.76 and 40,715.25 is: 61,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.58 : 173,429.76 = 40,715.25 : x
  2. Step 2: Convert to fraction form
    115,610.58/173,429.76 = 40,715.25/x
  3. Step 3: Cross multiply
    115,610.58x = 173,429.76 × 40,715.25
  4. Step 4: Simplify right side
    115,610.58x = 7,061,236,035.84
  5. Step 5: Solve for x
    x = 7,061,236,035.84/115,610.58
  6. Step 6: Final answer
    x = 61,077.77

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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.