Home / 72,648.14-100,253.88-40,817.03

Finding the Fourth Proportional to 72,648.14, 100,253.88 and 40,817.03

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Solution

The fourth proportional to 72,648.14, 100,253.88 and 40,817.03 is: 56,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,648.14 : 100,253.88 = 40,817.03 : x
  2. Step 2: Convert to fraction form
    72,648.14/100,253.88 = 40,817.03/x
  3. Step 3: Cross multiply
    72,648.14x = 100,253.88 × 40,817.03
  4. Step 4: Simplify right side
    72,648.14x = 4,092,065,126.31
  5. Step 5: Solve for x
    x = 4,092,065,126.31/72,648.14
  6. Step 6: Final answer
    x = 56,327.19

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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.