Home / 91,099.71-125,717.28-50,813.44

Finding the Fourth Proportional to 91,099.71, 125,717.28 and 50,813.44

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Solution

The fourth proportional to 91,099.71, 125,717.28 and 50,813.44 is: 70,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.71 : 125,717.28 = 50,813.44 : x
  2. Step 2: Convert to fraction form
    91,099.71/125,717.28 = 50,813.44/x
  3. Step 3: Cross multiply
    91,099.71x = 125,717.28 × 50,813.44
  4. Step 4: Simplify right side
    91,099.71x = 6,388,127,430.84
  5. Step 5: Solve for x
    x = 6,388,127,430.84/91,099.71
  6. Step 6: Final answer
    x = 70,122.37

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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.