Home / 81,763.43-112,824.50-49,056.11

Finding the Fourth Proportional to 81,763.43, 112,824.50 and 49,056.11

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Solution

The fourth proportional to 81,763.43, 112,824.50 and 49,056.11 is: 67,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,763.43 : 112,824.50 = 49,056.11 : x
  2. Step 2: Convert to fraction form
    81,763.43/112,824.50 = 49,056.11/x
  3. Step 3: Cross multiply
    81,763.43x = 112,824.50 × 49,056.11
  4. Step 4: Simplify right side
    81,763.43x = 5,534,731,268.95
  5. Step 5: Solve for x
    x = 5,534,731,268.95/81,763.43
  6. Step 6: Final answer
    x = 67,692.01

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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.