Home / 83,924.09-115,817.66-45,686.10

Finding the Fourth Proportional to 83,924.09, 115,817.66 and 45,686.10

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Solution

The fourth proportional to 83,924.09, 115,817.66 and 45,686.10 is: 63,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,924.09 : 115,817.66 = 45,686.10 : x
  2. Step 2: Convert to fraction form
    83,924.09/115,817.66 = 45,686.10/x
  3. Step 3: Cross multiply
    83,924.09x = 115,817.66 × 45,686.10
  4. Step 4: Simplify right side
    83,924.09x = 5,291,256,968.10
  5. Step 5: Solve for x
    x = 5,291,256,968.10/83,924.09
  6. Step 6: Final answer
    x = 63,048.13

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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.