Home / 81,086.27-121,628.18-24,927.14

Finding the Fourth Proportional to 81,086.27, 121,628.18 and 24,927.14

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Solution

The fourth proportional to 81,086.27, 121,628.18 and 24,927.14 is: 37,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,086.27 : 121,628.18 = 24,927.14 : x
  2. Step 2: Convert to fraction form
    81,086.27/121,628.18 = 24,927.14/x
  3. Step 3: Cross multiply
    81,086.27x = 121,628.18 × 24,927.14
  4. Step 4: Simplify right side
    81,086.27x = 3,031,843,037.19
  5. Step 5: Solve for x
    x = 3,031,843,037.19/81,086.27
  6. Step 6: Final answer
    x = 37,390.34

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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.