Home / 82,031.04-113,203.13-47,582.55

Finding the Fourth Proportional to 82,031.04, 113,203.13 and 47,582.55

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Solution

The fourth proportional to 82,031.04, 113,203.13 and 47,582.55 is: 65,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,031.04 : 113,203.13 = 47,582.55 : x
  2. Step 2: Convert to fraction form
    82,031.04/113,203.13 = 47,582.55/x
  3. Step 3: Cross multiply
    82,031.04x = 113,203.13 × 47,582.55
  4. Step 4: Simplify right side
    82,031.04x = 5,386,493,355.47
  5. Step 5: Solve for x
    x = 5,386,493,355.47/82,031.04
  6. Step 6: Final answer
    x = 65,664.09

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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.