Home / 83,816.04-115,720.74-52,031.64

Finding the Fourth Proportional to 83,816.04, 115,720.74 and 52,031.64

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Solution

The fourth proportional to 83,816.04, 115,720.74 and 52,031.64 is: 71,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.04 : 115,720.74 = 52,031.64 : x
  2. Step 2: Convert to fraction form
    83,816.04/115,720.74 = 52,031.64/x
  3. Step 3: Cross multiply
    83,816.04x = 115,720.74 × 52,031.64
  4. Step 4: Simplify right side
    83,816.04x = 6,021,139,884.21
  5. Step 5: Solve for x
    x = 6,021,139,884.21/83,816.04
  6. Step 6: Final answer
    x = 71,837.56

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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.