Home / 85,943.56-118,575.52-50,108.20

Finding the Fourth Proportional to 85,943.56, 118,575.52 and 50,108.20

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Solution

The fourth proportional to 85,943.56, 118,575.52 and 50,108.20 is: 69,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943.56 : 118,575.52 = 50,108.20 : x
  2. Step 2: Convert to fraction form
    85,943.56/118,575.52 = 50,108.20/x
  3. Step 3: Cross multiply
    85,943.56x = 118,575.52 × 50,108.20
  4. Step 4: Simplify right side
    85,943.56x = 5,941,605,871.26
  5. Step 5: Solve for x
    x = 5,941,605,871.26/85,943.56
  6. Step 6: Final answer
    x = 69,133.81

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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.