Home / 108,871.41-163,243.55-42,233.67

Finding the Fourth Proportional to 108,871.41, 163,243.55 and 42,233.67

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Solution

The fourth proportional to 108,871.41, 163,243.55 and 42,233.67 is: 63,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.41 : 163,243.55 = 42,233.67 : x
  2. Step 2: Convert to fraction form
    108,871.41/163,243.55 = 42,233.67/x
  3. Step 3: Cross multiply
    108,871.41x = 163,243.55 × 42,233.67
  4. Step 4: Simplify right side
    108,871.41x = 6,894,374,582.76
  5. Step 5: Solve for x
    x = 6,894,374,582.76/108,871.41
  6. Step 6: Final answer
    x = 63,325.85

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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.