Home / 109,022.32-163,585.11-45,856.27

Finding the Fourth Proportional to 109,022.32, 163,585.11 and 45,856.27

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Solution

The fourth proportional to 109,022.32, 163,585.11 and 45,856.27 is: 68,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022.32 : 163,585.11 = 45,856.27 : x
  2. Step 2: Convert to fraction form
    109,022.32/163,585.11 = 45,856.27/x
  3. Step 3: Cross multiply
    109,022.32x = 163,585.11 × 45,856.27
  4. Step 4: Simplify right side
    109,022.32x = 7,501,402,972.14
  5. Step 5: Solve for x
    x = 7,501,402,972.14/109,022.32
  6. Step 6: Final answer
    x = 68,806.12

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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.