Home / 81,501.53-112,474.44-45,692.12

Finding the Fourth Proportional to 81,501.53, 112,474.44 and 45,692.12

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Solution

The fourth proportional to 81,501.53, 112,474.44 and 45,692.12 is: 63,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,501.53 : 112,474.44 = 45,692.12 : x
  2. Step 2: Convert to fraction form
    81,501.53/112,474.44 = 45,692.12/x
  3. Step 3: Cross multiply
    81,501.53x = 112,474.44 × 45,692.12
  4. Step 4: Simplify right side
    81,501.53x = 5,139,195,890.60
  5. Step 5: Solve for x
    x = 5,139,195,890.60/81,501.53
  6. Step 6: Final answer
    x = 63,056.44

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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.