Home / 59,418.08-81,966.28-40,291.39

Finding the Fourth Proportional to 59,418.08, 81,966.28 and 40,291.39

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Solution

The fourth proportional to 59,418.08, 81,966.28 and 40,291.39 is: 55,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,418.08 : 81,966.28 = 40,291.39 : x
  2. Step 2: Convert to fraction form
    59,418.08/81,966.28 = 40,291.39/x
  3. Step 3: Cross multiply
    59,418.08x = 81,966.28 × 40,291.39
  4. Step 4: Simplify right side
    59,418.08x = 3,302,534,843.77
  5. Step 5: Solve for x
    x = 3,302,534,843.77/59,418.08
  6. Step 6: Final answer
    x = 55,581.31

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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.