Home / 91,187.17-125,837.96-50,900.60

Finding the Fourth Proportional to 91,187.17, 125,837.96 and 50,900.60

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Solution

The fourth proportional to 91,187.17, 125,837.96 and 50,900.60 is: 70,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,187.17 : 125,837.96 = 50,900.60 : x
  2. Step 2: Convert to fraction form
    91,187.17/125,837.96 = 50,900.60/x
  3. Step 3: Cross multiply
    91,187.17x = 125,837.96 × 50,900.60
  4. Step 4: Simplify right side
    91,187.17x = 6,405,227,726.87
  5. Step 5: Solve for x
    x = 6,405,227,726.87/91,187.17
  6. Step 6: Final answer
    x = 70,242.64

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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.