Home / 76,799.04-105,996.24-61,004.04

Finding the Fourth Proportional to 76,799.04, 105,996.24 and 61,004.04

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Solution

The fourth proportional to 76,799.04, 105,996.24 and 61,004.04 is: 84,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,799.04 : 105,996.24 = 61,004.04 : x
  2. Step 2: Convert to fraction form
    76,799.04/105,996.24 = 61,004.04/x
  3. Step 3: Cross multiply
    76,799.04x = 105,996.24 × 61,004.04
  4. Step 4: Simplify right side
    76,799.04x = 6,466,198,864.81
  5. Step 5: Solve for x
    x = 6,466,198,864.81/76,799.04
  6. Step 6: Final answer
    x = 84,196.35

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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.