Home / 91,255.61-125,931.41-50,969.96

Finding the Fourth Proportional to 91,255.61, 125,931.41 and 50,969.96

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Solution

The fourth proportional to 91,255.61, 125,931.41 and 50,969.96 is: 70,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.61 : 125,931.41 = 50,969.96 : x
  2. Step 2: Convert to fraction form
    91,255.61/125,931.41 = 50,969.96/x
  3. Step 3: Cross multiply
    91,255.61x = 125,931.41 × 50,969.96
  4. Step 4: Simplify right side
    91,255.61x = 6,418,718,709.32
  5. Step 5: Solve for x
    x = 6,418,718,709.32/91,255.61
  6. Step 6: Final answer
    x = 70,337.80

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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.