Home / 91,035.39-136,553.22-28,710.75

Finding the Fourth Proportional to 91,035.39, 136,553.22 and 28,710.75

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Solution

The fourth proportional to 91,035.39, 136,553.22 and 28,710.75 is: 43,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,035.39 : 136,553.22 = 28,710.75 : x
  2. Step 2: Convert to fraction form
    91,035.39/136,553.22 = 28,710.75/x
  3. Step 3: Cross multiply
    91,035.39x = 136,553.22 × 28,710.75
  4. Step 4: Simplify right side
    91,035.39x = 3,920,545,361.12
  5. Step 5: Solve for x
    x = 3,920,545,361.12/91,035.39
  6. Step 6: Final answer
    x = 43,066.17

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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.