Home / 76,557.22-105,653.75-42,573.31

Finding the Fourth Proportional to 76,557.22, 105,653.75 and 42,573.31

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Solution

The fourth proportional to 76,557.22, 105,653.75 and 42,573.31 is: 58,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,557.22 : 105,653.75 = 42,573.31 : x
  2. Step 2: Convert to fraction form
    76,557.22/105,653.75 = 42,573.31/x
  3. Step 3: Cross multiply
    76,557.22x = 105,653.75 × 42,573.31
  4. Step 4: Simplify right side
    76,557.22x = 4,498,029,374.41
  5. Step 5: Solve for x
    x = 4,498,029,374.41/76,557.22
  6. Step 6: Final answer
    x = 58,753.83

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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.