Home / 91,001.09-125,581.62-50,713.95

Finding the Fourth Proportional to 91,001.09, 125,581.62 and 50,713.95

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Solution

The fourth proportional to 91,001.09, 125,581.62 and 50,713.95 is: 69,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.09 : 125,581.62 = 50,713.95 : x
  2. Step 2: Convert to fraction form
    91,001.09/125,581.62 = 50,713.95/x
  3. Step 3: Cross multiply
    91,001.09x = 125,581.62 × 50,713.95
  4. Step 4: Simplify right side
    91,001.09x = 6,368,739,997.60
  5. Step 5: Solve for x
    x = 6,368,739,997.60/91,001.09
  6. Step 6: Final answer
    x = 69,985.32

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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.