Home / 111,929.21-154,454.52-63,532.14

Finding the Fourth Proportional to 111,929.21, 154,454.52 and 63,532.14

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Solution

The fourth proportional to 111,929.21, 154,454.52 and 63,532.14 is: 87,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.21 : 154,454.52 = 63,532.14 : x
  2. Step 2: Convert to fraction form
    111,929.21/154,454.52 = 63,532.14/x
  3. Step 3: Cross multiply
    111,929.21x = 154,454.52 × 63,532.14
  4. Step 4: Simplify right side
    111,929.21x = 9,812,826,188.27
  5. Step 5: Solve for x
    x = 9,812,826,188.27/111,929.21
  6. Step 6: Final answer
    x = 87,669.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.