Home / 109,374.72-163,933.12-49,332.91

Finding the Fourth Proportional to 109,374.72, 163,933.12 and 49,332.91

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Solution

The fourth proportional to 109,374.72, 163,933.12 and 49,332.91 is: 73,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,374.72 : 163,933.12 = 49,332.91 : x
  2. Step 2: Convert to fraction form
    109,374.72/163,933.12 = 49,332.91/x
  3. Step 3: Cross multiply
    109,374.72x = 163,933.12 × 49,332.91
  4. Step 4: Simplify right side
    109,374.72x = 8,087,297,767.22
  5. Step 5: Solve for x
    x = 8,087,297,767.22/109,374.72
  6. Step 6: Final answer
    x = 73,941.20

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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.