Home / 91,009.15-136,534.46-27,838.19

Finding the Fourth Proportional to 91,009.15, 136,534.46 and 27,838.19

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Solution

The fourth proportional to 91,009.15, 136,534.46 and 27,838.19 is: 41,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,009.15 : 136,534.46 = 27,838.19 : x
  2. Step 2: Convert to fraction form
    91,009.15/136,534.46 = 27,838.19/x
  3. Step 3: Cross multiply
    91,009.15x = 136,534.46 × 27,838.19
  4. Step 4: Simplify right side
    91,009.15x = 3,800,872,239.03
  5. Step 5: Solve for x
    x = 3,800,872,239.03/91,009.15
  6. Step 6: Final answer
    x = 41,763.63

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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.