Home / 76,065.96-104,971.71-42,072.66

Finding the Fourth Proportional to 76,065.96, 104,971.71 and 42,072.66

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Solution

The fourth proportional to 76,065.96, 104,971.71 and 42,072.66 is: 58,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,065.96 : 104,971.71 = 42,072.66 : x
  2. Step 2: Convert to fraction form
    76,065.96/104,971.71 = 42,072.66/x
  3. Step 3: Cross multiply
    76,065.96x = 104,971.71 × 42,072.66
  4. Step 4: Simplify right side
    76,065.96x = 4,416,439,064.45
  5. Step 5: Solve for x
    x = 4,416,439,064.45/76,065.96
  6. Step 6: Final answer
    x = 58,060.65

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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.