Home / 76,998.23-106,254.38-43,006.56

Finding the Fourth Proportional to 76,998.23, 106,254.38 and 43,006.56

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Solution

The fourth proportional to 76,998.23, 106,254.38 and 43,006.56 is: 59,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.23 : 106,254.38 = 43,006.56 : x
  2. Step 2: Convert to fraction form
    76,998.23/106,254.38 = 43,006.56/x
  3. Step 3: Cross multiply
    76,998.23x = 106,254.38 × 43,006.56
  4. Step 4: Simplify right side
    76,998.23x = 4,569,635,368.73
  5. Step 5: Solve for x
    x = 4,569,635,368.73/76,998.23
  6. Step 6: Final answer
    x = 59,347.28

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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.