Home / 77,190.07-115,706.52-35,100.04

Finding the Fourth Proportional to 77,190.07, 115,706.52 and 35,100.04

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Solution

The fourth proportional to 77,190.07, 115,706.52 and 35,100.04 is: 52,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190.07 : 115,706.52 = 35,100.04 : x
  2. Step 2: Convert to fraction form
    77,190.07/115,706.52 = 35,100.04/x
  3. Step 3: Cross multiply
    77,190.07x = 115,706.52 × 35,100.04
  4. Step 4: Simplify right side
    77,190.07x = 4,061,303,480.26
  5. Step 5: Solve for x
    x = 4,061,303,480.26/77,190.07
  6. Step 6: Final answer
    x = 52,614.33

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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.