Home / 91,090.35-125,704.85-50,806.71

Finding the Fourth Proportional to 91,090.35, 125,704.85 and 50,806.71

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Solution

The fourth proportional to 91,090.35, 125,704.85 and 50,806.71 is: 70,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090.35 : 125,704.85 = 50,806.71 : x
  2. Step 2: Convert to fraction form
    91,090.35/125,704.85 = 50,806.71/x
  3. Step 3: Cross multiply
    91,090.35x = 125,704.85 × 50,806.71
  4. Step 4: Simplify right side
    91,090.35x = 6,386,650,152.04
  5. Step 5: Solve for x
    x = 6,386,650,152.04/91,090.35
  6. Step 6: Final answer
    x = 70,113.36

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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.