Home / 98,853.78-148,302.54-28,727.22

Finding the Fourth Proportional to 98,853.78, 148,302.54 and 28,727.22

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Solution

The fourth proportional to 98,853.78, 148,302.54 and 28,727.22 is: 43,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.78 : 148,302.54 = 28,727.22 : x
  2. Step 2: Convert to fraction form
    98,853.78/148,302.54 = 28,727.22/x
  3. Step 3: Cross multiply
    98,853.78x = 148,302.54 × 28,727.22
  4. Step 4: Simplify right side
    98,853.78x = 4,260,319,693.14
  5. Step 5: Solve for x
    x = 4,260,319,693.14/98,853.78
  6. Step 6: Final answer
    x = 43,097.19

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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.