Home / 91,257.68-125,931.84-50,971.25

Finding the Fourth Proportional to 91,257.68, 125,931.84 and 50,971.25

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Solution

The fourth proportional to 91,257.68, 125,931.84 and 50,971.25 is: 70,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.68 : 125,931.84 = 50,971.25 : x
  2. Step 2: Convert to fraction form
    91,257.68/125,931.84 = 50,971.25/x
  3. Step 3: Cross multiply
    91,257.68x = 125,931.84 × 50,971.25
  4. Step 4: Simplify right side
    91,257.68x = 6,418,903,299.60
  5. Step 5: Solve for x
    x = 6,418,903,299.60/91,257.68
  6. Step 6: Final answer
    x = 70,338.23

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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.