Home / 81,252.18-112,118.58-45,441.27

Finding the Fourth Proportional to 81,252.18, 112,118.58 and 45,441.27

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Solution

The fourth proportional to 81,252.18, 112,118.58 and 45,441.27 is: 62,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,252.18 : 112,118.58 = 45,441.27 : x
  2. Step 2: Convert to fraction form
    81,252.18/112,118.58 = 45,441.27/x
  3. Step 3: Cross multiply
    81,252.18x = 112,118.58 × 45,441.27
  4. Step 4: Simplify right side
    81,252.18x = 5,094,810,665.80
  5. Step 5: Solve for x
    x = 5,094,810,665.80/81,252.18
  6. Step 6: Final answer
    x = 62,703.68

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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.