Home / 91,284.56-125,972.10-50,998.01

Finding the Fourth Proportional to 91,284.56, 125,972.10 and 50,998.01

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Solution

The fourth proportional to 91,284.56, 125,972.10 and 50,998.01 is: 70,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,284.56 : 125,972.10 = 50,998.01 : x
  2. Step 2: Convert to fraction form
    91,284.56/125,972.10 = 50,998.01/x
  3. Step 3: Cross multiply
    91,284.56x = 125,972.10 × 50,998.01
  4. Step 4: Simplify right side
    91,284.56x = 6,424,326,415.52
  5. Step 5: Solve for x
    x = 6,424,326,415.52/91,284.56
  6. Step 6: Final answer
    x = 70,376.92

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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.