Home / 108,429.12-162,603.23-37,331.67

Finding the Fourth Proportional to 108,429.12, 162,603.23 and 37,331.67

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Solution

The fourth proportional to 108,429.12, 162,603.23 and 37,331.67 is: 55,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,429.12 : 162,603.23 = 37,331.67 : x
  2. Step 2: Convert to fraction form
    108,429.12/162,603.23 = 37,331.67/x
  3. Step 3: Cross multiply
    108,429.12x = 162,603.23 × 37,331.67
  4. Step 4: Simplify right side
    108,429.12x = 6,070,250,123.29
  5. Step 5: Solve for x
    x = 6,070,250,123.29/108,429.12
  6. Step 6: Final answer
    x = 55,983.58

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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.