Home / 115,326.09-172,937.19-48,731.94

Finding the Fourth Proportional to 115,326.09, 172,937.19 and 48,731.94

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Solution

The fourth proportional to 115,326.09, 172,937.19 and 48,731.94 is: 73,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326.09 : 172,937.19 = 48,731.94 : x
  2. Step 2: Convert to fraction form
    115,326.09/172,937.19 = 48,731.94/x
  3. Step 3: Cross multiply
    115,326.09x = 172,937.19 × 48,731.94
  4. Step 4: Simplify right side
    115,326.09x = 8,427,564,766.85
  5. Step 5: Solve for x
    x = 8,427,564,766.85/115,326.09
  6. Step 6: Final answer
    x = 73,075.96

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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.