Home / 76,254.85-105,231.71-42,265.53

Finding the Fourth Proportional to 76,254.85, 105,231.71 and 42,265.53

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Solution

The fourth proportional to 76,254.85, 105,231.71 and 42,265.53 is: 58,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.85 : 105,231.71 = 42,265.53 : x
  2. Step 2: Convert to fraction form
    76,254.85/105,231.71 = 42,265.53/x
  3. Step 3: Cross multiply
    76,254.85x = 105,231.71 × 42,265.53
  4. Step 4: Simplify right side
    76,254.85x = 4,447,673,995.96
  5. Step 5: Solve for x
    x = 4,447,673,995.96/76,254.85
  6. Step 6: Final answer
    x = 58,326.44

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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.