Home / 76,452.75-105,503.13-42,459.35

Finding the Fourth Proportional to 76,452.75, 105,503.13 and 42,459.35

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Solution

The fourth proportional to 76,452.75, 105,503.13 and 42,459.35 is: 58,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,452.75 : 105,503.13 = 42,459.35 : x
  2. Step 2: Convert to fraction form
    76,452.75/105,503.13 = 42,459.35/x
  3. Step 3: Cross multiply
    76,452.75x = 105,503.13 × 42,459.35
  4. Step 4: Simplify right side
    76,452.75x = 4,479,593,795.25
  5. Step 5: Solve for x
    x = 4,479,593,795.25/76,452.75
  6. Step 6: Final answer
    x = 58,592.97

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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.