Home / 115,051.30-172,582.80-36,166.30

Finding the Fourth Proportional to 115,051.30, 172,582.80 and 36,166.30

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Solution

The fourth proportional to 115,051.30, 172,582.80 and 36,166.30 is: 54,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,051.30 : 172,582.80 = 36,166.30 : x
  2. Step 2: Convert to fraction form
    115,051.30/172,582.80 = 36,166.30/x
  3. Step 3: Cross multiply
    115,051.30x = 172,582.80 × 36,166.30
  4. Step 4: Simplify right side
    115,051.30x = 6,241,681,319.64
  5. Step 5: Solve for x
    x = 6,241,681,319.64/115,051.30
  6. Step 6: Final answer
    x = 54,251.29

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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.