Home / 76,306.96-105,303.27-42,772.96

Finding the Fourth Proportional to 76,306.96, 105,303.27 and 42,772.96

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Solution

The fourth proportional to 76,306.96, 105,303.27 and 42,772.96 is: 59,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,306.96 : 105,303.27 = 42,772.96 : x
  2. Step 2: Convert to fraction form
    76,306.96/105,303.27 = 42,772.96/x
  3. Step 3: Cross multiply
    76,306.96x = 105,303.27 × 42,772.96
  4. Step 4: Simplify right side
    76,306.96x = 4,504,132,555.58
  5. Step 5: Solve for x
    x = 4,504,132,555.58/76,306.96
  6. Step 6: Final answer
    x = 59,026.50

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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.