Home / 109,928.90-165,002.70-53,832.35

Finding the Fourth Proportional to 109,928.90, 165,002.70 and 53,832.35

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Solution

The fourth proportional to 109,928.90, 165,002.70 and 53,832.35 is: 80,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,928.90 : 165,002.70 = 53,832.35 : x
  2. Step 2: Convert to fraction form
    109,928.90/165,002.70 = 53,832.35/x
  3. Step 3: Cross multiply
    109,928.90x = 165,002.70 × 53,832.35
  4. Step 4: Simplify right side
    109,928.90x = 8,882,483,097.35
  5. Step 5: Solve for x
    x = 8,882,483,097.35/109,928.90
  6. Step 6: Final answer
    x = 80,802.07

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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.