Home / 86,242.89-119,012.27-48,509.85

Finding the Fourth Proportional to 86,242.89, 119,012.27 and 48,509.85

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Solution

The fourth proportional to 86,242.89, 119,012.27 and 48,509.85 is: 66,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.89 : 119,012.27 = 48,509.85 : x
  2. Step 2: Convert to fraction form
    86,242.89/119,012.27 = 48,509.85/x
  3. Step 3: Cross multiply
    86,242.89x = 119,012.27 × 48,509.85
  4. Step 4: Simplify right side
    86,242.89x = 5,773,267,365.86
  5. Step 5: Solve for x
    x = 5,773,267,365.86/86,242.89
  6. Step 6: Final answer
    x = 66,941.95

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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.