Home / 91,216.11-125,878.62-50,927.52

Finding the Fourth Proportional to 91,216.11, 125,878.62 and 50,927.52

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Solution

The fourth proportional to 91,216.11, 125,878.62 and 50,927.52 is: 70,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.11 : 125,878.62 = 50,927.52 : x
  2. Step 2: Convert to fraction form
    91,216.11/125,878.62 = 50,927.52/x
  3. Step 3: Cross multiply
    91,216.11x = 125,878.62 × 50,927.52
  4. Step 4: Simplify right side
    91,216.11x = 6,410,685,937.62
  5. Step 5: Solve for x
    x = 6,410,685,937.62/91,216.11
  6. Step 6: Final answer
    x = 70,280.19

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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.