Home / 76,335.36-105,306.53-50,853.57

Finding the Fourth Proportional to 76,335.36, 105,306.53 and 50,853.57

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Solution

The fourth proportional to 76,335.36, 105,306.53 and 50,853.57 is: 70,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.36 : 105,306.53 = 50,853.57 : x
  2. Step 2: Convert to fraction form
    76,335.36/105,306.53 = 50,853.57/x
  3. Step 3: Cross multiply
    76,335.36x = 105,306.53 × 50,853.57
  4. Step 4: Simplify right side
    76,335.36x = 5,355,212,740.54
  5. Step 5: Solve for x
    x = 5,355,212,740.54/76,335.36
  6. Step 6: Final answer
    x = 70,153.76

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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.