Home / 80,128.53-110,576.81-44,317.22

Finding the Fourth Proportional to 80,128.53, 110,576.81 and 44,317.22

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Solution

The fourth proportional to 80,128.53, 110,576.81 and 44,317.22 is: 61,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,128.53 : 110,576.81 = 44,317.22 : x
  2. Step 2: Convert to fraction form
    80,128.53/110,576.81 = 44,317.22/x
  3. Step 3: Cross multiply
    80,128.53x = 110,576.81 × 44,317.22
  4. Step 4: Simplify right side
    80,128.53x = 4,900,456,373.58
  5. Step 5: Solve for x
    x = 4,900,456,373.58/80,128.53
  6. Step 6: Final answer
    x = 61,157.45

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1.5x scale

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.