Home / 115,269.08-172,758.18-61,828.52

Finding the Fourth Proportional to 115,269.08, 172,758.18 and 61,828.52

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Solution

The fourth proportional to 115,269.08, 172,758.18 and 61,828.52 is: 92,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.08 : 172,758.18 = 61,828.52 : x
  2. Step 2: Convert to fraction form
    115,269.08/172,758.18 = 61,828.52/x
  3. Step 3: Cross multiply
    115,269.08x = 172,758.18 × 61,828.52
  4. Step 4: Simplify right side
    115,269.08x = 10,681,382,587.29
  5. Step 5: Solve for x
    x = 10,681,382,587.29/115,269.08
  6. Step 6: Final answer
    x = 92,664.77

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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.