Home / 115,425.15-172,824.93-59,904.51

Finding the Fourth Proportional to 115,425.15, 172,824.93 and 59,904.51

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Solution

The fourth proportional to 115,425.15, 172,824.93 and 59,904.51 is: 89,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,425.15 : 172,824.93 = 59,904.51 : x
  2. Step 2: Convert to fraction form
    115,425.15/172,824.93 = 59,904.51/x
  3. Step 3: Cross multiply
    115,425.15x = 172,824.93 × 59,904.51
  4. Step 4: Simplify right side
    115,425.15x = 10,352,992,747.43
  5. Step 5: Solve for x
    x = 10,352,992,747.43/115,425.15
  6. Step 6: Final answer
    x = 89,694.43

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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.