Home / 83,364.12-115,042.44-45,638.37

Finding the Fourth Proportional to 83,364.12, 115,042.44 and 45,638.37

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Solution

The fourth proportional to 83,364.12, 115,042.44 and 45,638.37 is: 62,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364.12 : 115,042.44 = 45,638.37 : x
  2. Step 2: Convert to fraction form
    83,364.12/115,042.44 = 45,638.37/x
  3. Step 3: Cross multiply
    83,364.12x = 115,042.44 × 45,638.37
  4. Step 4: Simplify right side
    83,364.12x = 5,250,349,442.42
  5. Step 5: Solve for x
    x = 5,250,349,442.42/83,364.12
  6. Step 6: Final answer
    x = 62,980.93

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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.