Home / 55,871.04-83,818.92-18,442.68

Finding the Fourth Proportional to 55,871.04, 83,818.92 and 18,442.68

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Solution

The fourth proportional to 55,871.04, 83,818.92 and 18,442.68 is: 27,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871.04 : 83,818.92 = 18,442.68 : x
  2. Step 2: Convert to fraction form
    55,871.04/83,818.92 = 18,442.68/x
  3. Step 3: Cross multiply
    55,871.04x = 83,818.92 × 18,442.68
  4. Step 4: Simplify right side
    55,871.04x = 1,545,845,519.51
  5. Step 5: Solve for x
    x = 1,545,845,519.51/55,871.04
  6. Step 6: Final answer
    x = 27,668.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.