Home / 79,285.50-109,417.31-43,476.89

Finding the Fourth Proportional to 79,285.50, 109,417.31 and 43,476.89

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Solution

The fourth proportional to 79,285.50, 109,417.31 and 43,476.89 is: 59,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.50 : 109,417.31 = 43,476.89 : x
  2. Step 2: Convert to fraction form
    79,285.50/109,417.31 = 43,476.89/x
  3. Step 3: Cross multiply
    79,285.50x = 109,417.31 × 43,476.89
  4. Step 4: Simplify right side
    79,285.50x = 4,757,123,586.49
  5. Step 5: Solve for x
    x = 4,757,123,586.49/79,285.50
  6. Step 6: Final answer
    x = 59,999.92

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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.