Home / 81,624.41-112,633.03-45,818.36

Finding the Fourth Proportional to 81,624.41, 112,633.03 and 45,818.36

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Solution

The fourth proportional to 81,624.41, 112,633.03 and 45,818.36 is: 63,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624.41 : 112,633.03 = 45,818.36 : x
  2. Step 2: Convert to fraction form
    81,624.41/112,633.03 = 45,818.36/x
  3. Step 3: Cross multiply
    81,624.41x = 112,633.03 × 45,818.36
  4. Step 4: Simplify right side
    81,624.41x = 5,160,660,632.91
  5. Step 5: Solve for x
    x = 5,160,660,632.91/81,624.41
  6. Step 6: Final answer
    x = 63,224.48

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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.