Home / 108,477.42-162,655.19-74,321.74

Finding the Fourth Proportional to 108,477.42, 162,655.19 and 74,321.74

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Solution

The fourth proportional to 108,477.42, 162,655.19 and 74,321.74 is: 111,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,477.42 : 162,655.19 = 74,321.74 : x
  2. Step 2: Convert to fraction form
    108,477.42/162,655.19 = 74,321.74/x
  3. Step 3: Cross multiply
    108,477.42x = 162,655.19 × 74,321.74
  4. Step 4: Simplify right side
    108,477.42x = 12,088,816,851.25
  5. Step 5: Solve for x
    x = 12,088,816,851.25/108,477.42
  6. Step 6: Final answer
    x = 111,440.86

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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.