Home / 98,532.14-147,792.72-87,564.33

Finding the Fourth Proportional to 98,532.14, 147,792.72 and 87,564.33

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Solution

The fourth proportional to 98,532.14, 147,792.72 and 87,564.33 is: 131,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,532.14 : 147,792.72 = 87,564.33 : x
  2. Step 2: Convert to fraction form
    98,532.14/147,792.72 = 87,564.33/x
  3. Step 3: Cross multiply
    98,532.14x = 147,792.72 × 87,564.33
  4. Step 4: Simplify right side
    98,532.14x = 12,941,370,505.68
  5. Step 5: Solve for x
    x = 12,941,370,505.68/98,532.14
  6. Step 6: Final answer
    x = 131,341.62

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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.