Home / 83,986.60-115,901.67-45,746.03

Finding the Fourth Proportional to 83,986.60, 115,901.67 and 45,746.03

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Solution

The fourth proportional to 83,986.60, 115,901.67 and 45,746.03 is: 63,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,986.60 : 115,901.67 = 45,746.03 : x
  2. Step 2: Convert to fraction form
    83,986.60/115,901.67 = 45,746.03/x
  3. Step 3: Cross multiply
    83,986.60x = 115,901.67 × 45,746.03
  4. Step 4: Simplify right side
    83,986.60x = 5,302,040,881.74
  5. Step 5: Solve for x
    x = 5,302,040,881.74/83,986.60
  6. Step 6: Final answer
    x = 63,129.61

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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.