Home / 115,943.40-173,651.04-69,099.48

Finding the Fourth Proportional to 115,943.40, 173,651.04 and 69,099.48

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Solution

The fourth proportional to 115,943.40, 173,651.04 and 69,099.48 is: 103,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.40 : 173,651.04 = 69,099.48 : x
  2. Step 2: Convert to fraction form
    115,943.40/173,651.04 = 69,099.48/x
  3. Step 3: Cross multiply
    115,943.40x = 173,651.04 × 69,099.48
  4. Step 4: Simplify right side
    115,943.40x = 11,999,196,565.46
  5. Step 5: Solve for x
    x = 11,999,196,565.46/115,943.40
  6. Step 6: Final answer
    x = 103,491.85

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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.