Home / 98,659.22-147,802.32-48,680.80

Finding the Fourth Proportional to 98,659.22, 147,802.32 and 48,680.80

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Solution

The fourth proportional to 98,659.22, 147,802.32 and 48,680.80 is: 72,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,659.22 : 147,802.32 = 48,680.80 : x
  2. Step 2: Convert to fraction form
    98,659.22/147,802.32 = 48,680.80/x
  3. Step 3: Cross multiply
    98,659.22x = 147,802.32 × 48,680.80
  4. Step 4: Simplify right side
    98,659.22x = 7,195,134,809.95
  5. Step 5: Solve for x
    x = 7,195,134,809.95/98,659.22
  6. Step 6: Final answer
    x = 72,929.17

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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.