Home / 110,473.06-152,404.32-74,650

Finding the Fourth Proportional to 110,473.06, 152,404.32 and 74,650

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Solution

The fourth proportional to 110,473.06, 152,404.32 and 74,650 is: 102,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,473.06 : 152,404.32 = 74,650 : x
  2. Step 2: Convert to fraction form
    110,473.06/152,404.32 = 74,650/x
  3. Step 3: Cross multiply
    110,473.06x = 152,404.32 × 74,650
  4. Step 4: Simplify right side
    110,473.06x = 11,376,982,488
  5. Step 5: Solve for x
    x = 11,376,982,488/110,473.06
  6. Step 6: Final answer
    x = 102,984.23

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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.