Home / 60,079.77-90,121.46-15,705.81

Finding the Fourth Proportional to 60,079.77, 90,121.46 and 15,705.81

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Solution

The fourth proportional to 60,079.77, 90,121.46 and 15,705.81 is: 23,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,079.77 : 90,121.46 = 15,705.81 : x
  2. Step 2: Convert to fraction form
    60,079.77/90,121.46 = 15,705.81/x
  3. Step 3: Cross multiply
    60,079.77x = 90,121.46 × 15,705.81
  4. Step 4: Simplify right side
    60,079.77x = 1,415,430,449.15
  5. Step 5: Solve for x
    x = 1,415,430,449.15/60,079.77
  6. Step 6: Final answer
    x = 23,559.19

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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.