Home / 76,285.97-105,277.19-42,292.43

Finding the Fourth Proportional to 76,285.97, 105,277.19 and 42,292.43

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Solution

The fourth proportional to 76,285.97, 105,277.19 and 42,292.43 is: 58,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.97 : 105,277.19 = 42,292.43 : x
  2. Step 2: Convert to fraction form
    76,285.97/105,277.19 = 42,292.43/x
  3. Step 3: Cross multiply
    76,285.97x = 105,277.19 × 42,292.43
  4. Step 4: Simplify right side
    76,285.97x = 4,452,428,188.67
  5. Step 5: Solve for x
    x = 4,452,428,188.67/76,285.97
  6. Step 6: Final answer
    x = 58,364.97

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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.