Home / 74,223.40-111,335.18-18,063.50

Finding the Fourth Proportional to 74,223.40, 111,335.18 and 18,063.50

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Solution

The fourth proportional to 74,223.40, 111,335.18 and 18,063.50 is: 27,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.40 : 111,335.18 = 18,063.50 : x
  2. Step 2: Convert to fraction form
    74,223.40/111,335.18 = 18,063.50/x
  3. Step 3: Cross multiply
    74,223.40x = 111,335.18 × 18,063.50
  4. Step 4: Simplify right side
    74,223.40x = 2,011,102,933.61
  5. Step 5: Solve for x
    x = 2,011,102,933.61/74,223.40
  6. Step 6: Final answer
    x = 27,095.27

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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.