Home / 99,018.12-148,492.62-39,838.44

Finding the Fourth Proportional to 99,018.12, 148,492.62 and 39,838.44

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Solution

The fourth proportional to 99,018.12, 148,492.62 and 39,838.44 is: 59,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018.12 : 148,492.62 = 39,838.44 : x
  2. Step 2: Convert to fraction form
    99,018.12/148,492.62 = 39,838.44/x
  3. Step 3: Cross multiply
    99,018.12x = 148,492.62 × 39,838.44
  4. Step 4: Simplify right side
    99,018.12x = 5,915,714,332.31
  5. Step 5: Solve for x
    x = 5,915,714,332.31/99,018.12
  6. Step 6: Final answer
    x = 59,743.76

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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.