Home / 98,887.68-148,329.09-28,767.60

Finding the Fourth Proportional to 98,887.68, 148,329.09 and 28,767.60

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Solution

The fourth proportional to 98,887.68, 148,329.09 and 28,767.60 is: 43,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,887.68 : 148,329.09 = 28,767.60 : x
  2. Step 2: Convert to fraction form
    98,887.68/148,329.09 = 28,767.60/x
  3. Step 3: Cross multiply
    98,887.68x = 148,329.09 × 28,767.60
  4. Step 4: Simplify right side
    98,887.68x = 4,267,071,929.48
  5. Step 5: Solve for x
    x = 4,267,071,929.48/98,887.68
  6. Step 6: Final answer
    x = 43,150.69

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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.