Home / 85,942.56-118,574.14-50,107.20

Finding the Fourth Proportional to 85,942.56, 118,574.14 and 50,107.20

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Solution

The fourth proportional to 85,942.56, 118,574.14 and 50,107.20 is: 69,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942.56 : 118,574.14 = 50,107.20 : x
  2. Step 2: Convert to fraction form
    85,942.56/118,574.14 = 50,107.20/x
  3. Step 3: Cross multiply
    85,942.56x = 118,574.14 × 50,107.20
  4. Step 4: Simplify right side
    85,942.56x = 5,941,418,147.81
  5. Step 5: Solve for x
    x = 5,941,418,147.81/85,942.56
  6. Step 6: Final answer
    x = 69,132.43

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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.