Home / 108,470.22-149,680.58-60,717.06

Finding the Fourth Proportional to 108,470.22, 149,680.58 and 60,717.06

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Solution

The fourth proportional to 108,470.22, 149,680.58 and 60,717.06 is: 83,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,470.22 : 149,680.58 = 60,717.06 : x
  2. Step 2: Convert to fraction form
    108,470.22/149,680.58 = 60,717.06/x
  3. Step 3: Cross multiply
    108,470.22x = 149,680.58 × 60,717.06
  4. Step 4: Simplify right side
    108,470.22x = 9,088,164,756.69
  5. Step 5: Solve for x
    x = 9,088,164,756.69/108,470.22
  6. Step 6: Final answer
    x = 83,784.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.