Home / 83,811.73-115,660.19-46,085.98

Finding the Fourth Proportional to 83,811.73, 115,660.19 and 46,085.98

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Solution

The fourth proportional to 83,811.73, 115,660.19 and 46,085.98 is: 63,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.73 : 115,660.19 = 46,085.98 : x
  2. Step 2: Convert to fraction form
    83,811.73/115,660.19 = 46,085.98/x
  3. Step 3: Cross multiply
    83,811.73x = 115,660.19 × 46,085.98
  4. Step 4: Simplify right side
    83,811.73x = 5,330,312,683.56
  5. Step 5: Solve for x
    x = 5,330,312,683.56/83,811.73
  6. Step 6: Final answer
    x = 63,598.65

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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.