Home / 84,295.13-126,429.94-31,692.32

Finding the Fourth Proportional to 84,295.13, 126,429.94 and 31,692.32

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Solution

The fourth proportional to 84,295.13, 126,429.94 and 31,692.32 is: 47,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.13 : 126,429.94 = 31,692.32 : x
  2. Step 2: Convert to fraction form
    84,295.13/126,429.94 = 31,692.32/x
  3. Step 3: Cross multiply
    84,295.13x = 126,429.94 × 31,692.32
  4. Step 4: Simplify right side
    84,295.13x = 4,006,857,325.45
  5. Step 5: Solve for x
    x = 4,006,857,325.45/84,295.13
  6. Step 6: Final answer
    x = 47,533.68

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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.