Home / 91,120.35-125,746.14-50,834.11

Finding the Fourth Proportional to 91,120.35, 125,746.14 and 50,834.11

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Solution

The fourth proportional to 91,120.35, 125,746.14 and 50,834.11 is: 70,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120.35 : 125,746.14 = 50,834.11 : x
  2. Step 2: Convert to fraction form
    91,120.35/125,746.14 = 50,834.11/x
  3. Step 3: Cross multiply
    91,120.35x = 125,746.14 × 50,834.11
  4. Step 4: Simplify right side
    91,120.35x = 6,392,193,112.84
  5. Step 5: Solve for x
    x = 6,392,193,112.84/91,120.35
  6. Step 6: Final answer
    x = 70,151.10

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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.