Home / 72,582.33-100,161.03-40,752.57

Finding the Fourth Proportional to 72,582.33, 100,161.03 and 40,752.57

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Solution

The fourth proportional to 72,582.33, 100,161.03 and 40,752.57 is: 56,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582.33 : 100,161.03 = 40,752.57 : x
  2. Step 2: Convert to fraction form
    72,582.33/100,161.03 = 40,752.57/x
  3. Step 3: Cross multiply
    72,582.33x = 100,161.03 × 40,752.57
  4. Step 4: Simplify right side
    72,582.33x = 4,081,819,539.17
  5. Step 5: Solve for x
    x = 4,081,819,539.17/72,582.33
  6. Step 6: Final answer
    x = 56,237.10

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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.