Home / 91,095.82-125,712.41-50,812.19

Finding the Fourth Proportional to 91,095.82, 125,712.41 and 50,812.19

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Solution

The fourth proportional to 91,095.82, 125,712.41 and 50,812.19 is: 70,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.82 : 125,712.41 = 50,812.19 : x
  2. Step 2: Convert to fraction form
    91,095.82/125,712.41 = 50,812.19/x
  3. Step 3: Cross multiply
    91,095.82x = 125,712.41 × 50,812.19
  4. Step 4: Simplify right side
    91,095.82x = 6,387,722,862.28
  5. Step 5: Solve for x
    x = 6,387,722,862.28/91,095.82
  6. Step 6: Final answer
    x = 70,120.92

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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.