Home / 108,746.96-150,062.22-65,717.73

Finding the Fourth Proportional to 108,746.96, 150,062.22 and 65,717.73

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Solution

The fourth proportional to 108,746.96, 150,062.22 and 65,717.73 is: 90,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,746.96 : 150,062.22 = 65,717.73 : x
  2. Step 2: Convert to fraction form
    108,746.96/150,062.22 = 65,717.73/x
  3. Step 3: Cross multiply
    108,746.96x = 150,062.22 × 65,717.73
  4. Step 4: Simplify right side
    108,746.96x = 9,861,748,457.16
  5. Step 5: Solve for x
    x = 9,861,748,457.16/108,746.96
  6. Step 6: Final answer
    x = 90,685.28

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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.