Home / 81,806.18-112,889.63-45,998.24

Finding the Fourth Proportional to 81,806.18, 112,889.63 and 45,998.24

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Solution

The fourth proportional to 81,806.18, 112,889.63 and 45,998.24 is: 63,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,806.18 : 112,889.63 = 45,998.24 : x
  2. Step 2: Convert to fraction form
    81,806.18/112,889.63 = 45,998.24/x
  3. Step 3: Cross multiply
    81,806.18x = 112,889.63 × 45,998.24
  4. Step 4: Simplify right side
    81,806.18x = 5,192,723,499.81
  5. Step 5: Solve for x
    x = 5,192,723,499.81/81,806.18
  6. Step 6: Final answer
    x = 63,475.94

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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.