Home / 76,552.72-105,645.45-42,570.84

Finding the Fourth Proportional to 76,552.72, 105,645.45 and 42,570.84

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Solution

The fourth proportional to 76,552.72, 105,645.45 and 42,570.84 is: 58,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,552.72 : 105,645.45 = 42,570.84 : x
  2. Step 2: Convert to fraction form
    76,552.72/105,645.45 = 42,570.84/x
  3. Step 3: Cross multiply
    76,552.72x = 105,645.45 × 42,570.84
  4. Step 4: Simplify right side
    76,552.72x = 4,497,416,104.49
  5. Step 5: Solve for x
    x = 4,497,416,104.49/76,552.72
  6. Step 6: Final answer
    x = 58,749.27

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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.