Home / 83,376.73-115,059.76-45,136.09

Finding the Fourth Proportional to 83,376.73, 115,059.76 and 45,136.09

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Solution

The fourth proportional to 83,376.73, 115,059.76 and 45,136.09 is: 62,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,376.73 : 115,059.76 = 45,136.09 : x
  2. Step 2: Convert to fraction form
    83,376.73/115,059.76 = 45,136.09/x
  3. Step 3: Cross multiply
    83,376.73x = 115,059.76 × 45,136.09
  4. Step 4: Simplify right side
    83,376.73x = 5,193,347,682.74
  5. Step 5: Solve for x
    x = 5,193,347,682.74/83,376.73
  6. Step 6: Final answer
    x = 62,287.74

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1.5x scale

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.