Home / 72,299.44-99,773.72-42,102.36

Finding the Fourth Proportional to 72,299.44, 99,773.72 and 42,102.36

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Solution

The fourth proportional to 72,299.44, 99,773.72 and 42,102.36 is: 58,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.44 : 99,773.72 = 42,102.36 : x
  2. Step 2: Convert to fraction form
    72,299.44/99,773.72 = 42,102.36/x
  3. Step 3: Cross multiply
    72,299.44x = 99,773.72 × 42,102.36
  4. Step 4: Simplify right side
    72,299.44x = 4,200,709,077.98
  5. Step 5: Solve for x
    x = 4,200,709,077.98/72,299.44
  6. Step 6: Final answer
    x = 58,101.54

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1.5x scale

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.