Home / 126,421.11-174,461.13-69,832.49

Finding the Fourth Proportional to 126,421.11, 174,461.13 and 69,832.49

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Solution

The fourth proportional to 126,421.11, 174,461.13 and 69,832.49 is: 96,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.11 : 174,461.13 = 69,832.49 : x
  2. Step 2: Convert to fraction form
    126,421.11/174,461.13 = 69,832.49/x
  3. Step 3: Cross multiply
    126,421.11x = 174,461.13 × 69,832.49
  4. Step 4: Simplify right side
    126,421.11x = 12,183,054,243.81
  5. Step 5: Solve for x
    x = 12,183,054,243.81/126,421.11
  6. Step 6: Final answer
    x = 96,368.83

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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.