Home / 81,544.91-112,484.18-51,282.23

Finding the Fourth Proportional to 81,544.91, 112,484.18 and 51,282.23

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Solution

The fourth proportional to 81,544.91, 112,484.18 and 51,282.23 is: 70,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,544.91 : 112,484.18 = 51,282.23 : x
  2. Step 2: Convert to fraction form
    81,544.91/112,484.18 = 51,282.23/x
  3. Step 3: Cross multiply
    81,544.91x = 112,484.18 × 51,282.23
  4. Step 4: Simplify right side
    81,544.91x = 5,768,439,155.91
  5. Step 5: Solve for x
    x = 5,768,439,155.91/81,544.91
  6. Step 6: Final answer
    x = 70,739.42

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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.