Home / 86,916.84-119,917.15-48,670.66

Finding the Fourth Proportional to 86,916.84, 119,917.15 and 48,670.66

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Solution

The fourth proportional to 86,916.84, 119,917.15 and 48,670.66 is: 67,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916.84 : 119,917.15 = 48,670.66 : x
  2. Step 2: Convert to fraction form
    86,916.84/119,917.15 = 48,670.66/x
  3. Step 3: Cross multiply
    86,916.84x = 119,917.15 × 48,670.66
  4. Step 4: Simplify right side
    86,916.84x = 5,836,446,835.82
  5. Step 5: Solve for x
    x = 5,836,446,835.82/86,916.84
  6. Step 6: Final answer
    x = 67,149.78

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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.