Home / 172,091.36-258,117.60-59,751.92

Finding the Fourth Proportional to 172,091.36, 258,117.60 and 59,751.92

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Solution

The fourth proportional to 172,091.36, 258,117.60 and 59,751.92 is: 89,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,091.36 : 258,117.60 = 59,751.92 : x
  2. Step 2: Convert to fraction form
    172,091.36/258,117.60 = 59,751.92/x
  3. Step 3: Cross multiply
    172,091.36x = 258,117.60 × 59,751.92
  4. Step 4: Simplify right side
    172,091.36x = 15,423,022,185.79
  5. Step 5: Solve for x
    x = 15,423,022,185.79/172,091.36
  6. Step 6: Final answer
    x = 89,621.13

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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.