Home / 74,203.74-111,304.05-18,044.15

Finding the Fourth Proportional to 74,203.74, 111,304.05 and 18,044.15

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Solution

The fourth proportional to 74,203.74, 111,304.05 and 18,044.15 is: 27,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.74 : 111,304.05 = 18,044.15 : x
  2. Step 2: Convert to fraction form
    74,203.74/111,304.05 = 18,044.15/x
  3. Step 3: Cross multiply
    74,203.74x = 111,304.05 × 18,044.15
  4. Step 4: Simplify right side
    74,203.74x = 2,008,386,417.29
  5. Step 5: Solve for x
    x = 2,008,386,417.29/74,203.74
  6. Step 6: Final answer
    x = 27,065.84

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1.5x scale

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.