Home / 109,094.50-150,552.26-71,368.75

Finding the Fourth Proportional to 109,094.50, 150,552.26 and 71,368.75

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Solution

The fourth proportional to 109,094.50, 150,552.26 and 71,368.75 is: 98,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,094.50 : 150,552.26 = 71,368.75 : x
  2. Step 2: Convert to fraction form
    109,094.50/150,552.26 = 71,368.75/x
  3. Step 3: Cross multiply
    109,094.50x = 150,552.26 × 71,368.75
  4. Step 4: Simplify right side
    109,094.50x = 10,744,726,605.88
  5. Step 5: Solve for x
    x = 10,744,726,605.88/109,094.50
  6. Step 6: Final answer
    x = 98,490.09

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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.