Home / 74,370.89-111,600.66-26,989.68

Finding the Fourth Proportional to 74,370.89, 111,600.66 and 26,989.68

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Solution

The fourth proportional to 74,370.89, 111,600.66 and 26,989.68 is: 40,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370.89 : 111,600.66 = 26,989.68 : x
  2. Step 2: Convert to fraction form
    74,370.89/111,600.66 = 26,989.68/x
  3. Step 3: Cross multiply
    74,370.89x = 111,600.66 × 26,989.68
  4. Step 4: Simplify right side
    74,370.89x = 3,012,066,101.19
  5. Step 5: Solve for x
    x = 3,012,066,101.19/74,370.89
  6. Step 6: Final answer
    x = 40,500.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.