Home / 109,149.60-163,774.08-52,959.36

Finding the Fourth Proportional to 109,149.60, 163,774.08 and 52,959.36

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Solution

The fourth proportional to 109,149.60, 163,774.08 and 52,959.36 is: 79,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.60 : 163,774.08 = 52,959.36 : x
  2. Step 2: Convert to fraction form
    109,149.60/163,774.08 = 52,959.36/x
  3. Step 3: Cross multiply
    109,149.60x = 163,774.08 × 52,959.36
  4. Step 4: Simplify right side
    109,149.60x = 8,673,370,461.39
  5. Step 5: Solve for x
    x = 8,673,370,461.39/109,149.60
  6. Step 6: Final answer
    x = 79,463.14

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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.