Home / 115,577.16-173,415.86-40,750.79

Finding the Fourth Proportional to 115,577.16, 173,415.86 and 40,750.79

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Solution

The fourth proportional to 115,577.16, 173,415.86 and 40,750.79 is: 61,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,577.16 : 173,415.86 = 40,750.79 : x
  2. Step 2: Convert to fraction form
    115,577.16/173,415.86 = 40,750.79/x
  3. Step 3: Cross multiply
    115,577.16x = 173,415.86 × 40,750.79
  4. Step 4: Simplify right side
    115,577.16x = 7,066,832,222.70
  5. Step 5: Solve for x
    x = 7,066,832,222.70/115,577.16
  6. Step 6: Final answer
    x = 61,143.85

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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.