Home / 81,952.16-122,887.06-47,768.92

Finding the Fourth Proportional to 81,952.16, 122,887.06 and 47,768.92

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Solution

The fourth proportional to 81,952.16, 122,887.06 and 47,768.92 is: 71,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,952.16 : 122,887.06 = 47,768.92 : x
  2. Step 2: Convert to fraction form
    81,952.16/122,887.06 = 47,768.92/x
  3. Step 3: Cross multiply
    81,952.16x = 122,887.06 × 47,768.92
  4. Step 4: Simplify right side
    81,952.16x = 5,870,182,138.18
  5. Step 5: Solve for x
    x = 5,870,182,138.18/81,952.16
  6. Step 6: Final answer
    x = 71,629.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.