Home / 91,257.02-125,933.34-50,971.35

Finding the Fourth Proportional to 91,257.02, 125,933.34 and 50,971.35

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Solution

The fourth proportional to 91,257.02, 125,933.34 and 50,971.35 is: 70,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.02 : 125,933.34 = 50,971.35 : x
  2. Step 2: Convert to fraction form
    91,257.02/125,933.34 = 50,971.35/x
  3. Step 3: Cross multiply
    91,257.02x = 125,933.34 × 50,971.35
  4. Step 4: Simplify right side
    91,257.02x = 6,418,992,349.81
  5. Step 5: Solve for x
    x = 6,418,992,349.81/91,257.02
  6. Step 6: Final answer
    x = 70,339.71

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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.