Home / 91,095.70-125,712.24-50,812.07

Finding the Fourth Proportional to 91,095.70, 125,712.24 and 50,812.07

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Solution

The fourth proportional to 91,095.70, 125,712.24 and 50,812.07 is: 70,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.70 : 125,712.24 = 50,812.07 : x
  2. Step 2: Convert to fraction form
    91,095.70/125,712.24 = 50,812.07/x
  3. Step 3: Cross multiply
    91,095.70x = 125,712.24 × 50,812.07
  4. Step 4: Simplify right side
    91,095.70x = 6,387,698,727.54
  5. Step 5: Solve for x
    x = 6,387,698,727.54/91,095.70
  6. Step 6: Final answer
    x = 70,120.75

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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.