Home / 111,421.95-167,116.52-36,550.01

Finding the Fourth Proportional to 111,421.95, 167,116.52 and 36,550.01

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Solution

The fourth proportional to 111,421.95, 167,116.52 and 36,550.01 is: 54,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,421.95 : 167,116.52 = 36,550.01 : x
  2. Step 2: Convert to fraction form
    111,421.95/167,116.52 = 36,550.01/x
  3. Step 3: Cross multiply
    111,421.95x = 167,116.52 × 36,550.01
  4. Step 4: Simplify right side
    111,421.95x = 6,108,110,477.17
  5. Step 5: Solve for x
    x = 6,108,110,477.17/111,421.95
  6. Step 6: Final answer
    x = 54,819.63

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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.