Home / 74,964.58-112,355.92-55,058.55

Finding the Fourth Proportional to 74,964.58, 112,355.92 and 55,058.55

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Solution

The fourth proportional to 74,964.58, 112,355.92 and 55,058.55 is: 82,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.58 : 112,355.92 = 55,058.55 : x
  2. Step 2: Convert to fraction form
    74,964.58/112,355.92 = 55,058.55/x
  3. Step 3: Cross multiply
    74,964.58x = 112,355.92 × 55,058.55
  4. Step 4: Simplify right side
    74,964.58x = 6,186,154,039.12
  5. Step 5: Solve for x
    x = 6,186,154,039.12/74,964.58
  6. Step 6: Final answer
    x = 82,521.03

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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.