Home / 83,942.93-115,837.63-45,701.65

Finding the Fourth Proportional to 83,942.93, 115,837.63 and 45,701.65

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Solution

The fourth proportional to 83,942.93, 115,837.63 and 45,701.65 is: 63,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.93 : 115,837.63 = 45,701.65 : x
  2. Step 2: Convert to fraction form
    83,942.93/115,837.63 = 45,701.65/x
  3. Step 3: Cross multiply
    83,942.93x = 115,837.63 × 45,701.65
  4. Step 4: Simplify right side
    83,942.93x = 5,293,970,853.63
  5. Step 5: Solve for x
    x = 5,293,970,853.63/83,942.93
  6. Step 6: Final answer
    x = 63,066.31

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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.