Home / 98,209.26-147,378.49-53,867.16

Finding the Fourth Proportional to 98,209.26, 147,378.49 and 53,867.16

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Solution

The fourth proportional to 98,209.26, 147,378.49 and 53,867.16 is: 80,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209.26 : 147,378.49 = 53,867.16 : x
  2. Step 2: Convert to fraction form
    98,209.26/147,378.49 = 53,867.16/x
  3. Step 3: Cross multiply
    98,209.26x = 147,378.49 × 53,867.16
  4. Step 4: Simplify right side
    98,209.26x = 7,938,860,566.72
  5. Step 5: Solve for x
    x = 7,938,860,566.72/98,209.26
  6. Step 6: Final answer
    x = 80,836.17

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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.