Home / 76,451.73-105,497.34-42,456.93

Finding the Fourth Proportional to 76,451.73, 105,497.34 and 42,456.93

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Solution

The fourth proportional to 76,451.73, 105,497.34 and 42,456.93 is: 58,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,451.73 : 105,497.34 = 42,456.93 : x
  2. Step 2: Convert to fraction form
    76,451.73/105,497.34 = 42,456.93/x
  3. Step 3: Cross multiply
    76,451.73x = 105,497.34 × 42,456.93
  4. Step 4: Simplify right side
    76,451.73x = 4,479,093,179.57
  5. Step 5: Solve for x
    x = 4,479,093,179.57/76,451.73
  6. Step 6: Final answer
    x = 58,587.21

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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.