Home / 110,240.74-152,105.58-69,940

Finding the Fourth Proportional to 110,240.74, 152,105.58 and 69,940

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Solution

The fourth proportional to 110,240.74, 152,105.58 and 69,940 is: 96,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,240.74 : 152,105.58 = 69,940 : x
  2. Step 2: Convert to fraction form
    110,240.74/152,105.58 = 69,940/x
  3. Step 3: Cross multiply
    110,240.74x = 152,105.58 × 69,940
  4. Step 4: Simplify right side
    110,240.74x = 10,638,264,265.20
  5. Step 5: Solve for x
    x = 10,638,264,265.20/110,240.74
  6. Step 6: Final answer
    x = 96,500.30

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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.