Home / 71,972.06-99,289.33-41,739.87

Finding the Fourth Proportional to 71,972.06, 99,289.33 and 41,739.87

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Solution

The fourth proportional to 71,972.06, 99,289.33 and 41,739.87 is: 57,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.06 : 99,289.33 = 41,739.87 : x
  2. Step 2: Convert to fraction form
    71,972.06/99,289.33 = 41,739.87/x
  3. Step 3: Cross multiply
    71,972.06x = 99,289.33 × 41,739.87
  4. Step 4: Simplify right side
    71,972.06x = 4,144,323,994.57
  5. Step 5: Solve for x
    x = 4,144,323,994.57/71,972.06
  6. Step 6: Final answer
    x = 57,582.40

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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.