Home / 90,083.53-135,019.73-36,742.21

Finding the Fourth Proportional to 90,083.53, 135,019.73 and 36,742.21

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Solution

The fourth proportional to 90,083.53, 135,019.73 and 36,742.21 is: 55,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.53 : 135,019.73 = 36,742.21 : x
  2. Step 2: Convert to fraction form
    90,083.53/135,019.73 = 36,742.21/x
  3. Step 3: Cross multiply
    90,083.53x = 135,019.73 × 36,742.21
  4. Step 4: Simplify right side
    90,083.53x = 4,960,923,534.43
  5. Step 5: Solve for x
    x = 4,960,923,534.43/90,083.53
  6. Step 6: Final answer
    x = 55,070.26

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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.