Home / 115,705.13-173,583.75-40,830.62

Finding the Fourth Proportional to 115,705.13, 173,583.75 and 40,830.62

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Solution

The fourth proportional to 115,705.13, 173,583.75 and 40,830.62 is: 61,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,705.13 : 173,583.75 = 40,830.62 : x
  2. Step 2: Convert to fraction form
    115,705.13/173,583.75 = 40,830.62/x
  3. Step 3: Cross multiply
    115,705.13x = 173,583.75 × 40,830.62
  4. Step 4: Simplify right side
    115,705.13x = 7,087,532,134.43
  5. Step 5: Solve for x
    x = 7,087,532,134.43/115,705.13
  6. Step 6: Final answer
    x = 61,255.12

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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.