Home / 91,259.08-125,938.05-50,974.54

Finding the Fourth Proportional to 91,259.08, 125,938.05 and 50,974.54

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Solution

The fourth proportional to 91,259.08, 125,938.05 and 50,974.54 is: 70,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,259.08 : 125,938.05 = 50,974.54 : x
  2. Step 2: Convert to fraction form
    91,259.08/125,938.05 = 50,974.54/x
  3. Step 3: Cross multiply
    91,259.08x = 125,938.05 × 50,974.54
  4. Step 4: Simplify right side
    91,259.08x = 6,419,634,167.25
  5. Step 5: Solve for x
    x = 6,419,634,167.25/91,259.08
  6. Step 6: Final answer
    x = 70,345.16

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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.