Home / 115,288.08-172,927.80-36,407.04

Finding the Fourth Proportional to 115,288.08, 172,927.80 and 36,407.04

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Solution

The fourth proportional to 115,288.08, 172,927.80 and 36,407.04 is: 54,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.08 : 172,927.80 = 36,407.04 : x
  2. Step 2: Convert to fraction form
    115,288.08/172,927.80 = 36,407.04/x
  3. Step 3: Cross multiply
    115,288.08x = 172,927.80 × 36,407.04
  4. Step 4: Simplify right side
    115,288.08x = 6,295,789,331.71
  5. Step 5: Solve for x
    x = 6,295,789,331.71/115,288.08
  6. Step 6: Final answer
    x = 54,609.20

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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.