Home / 99,345.90-148,967.55-29,216.10

Finding the Fourth Proportional to 99,345.90, 148,967.55 and 29,216.10

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Solution

The fourth proportional to 99,345.90, 148,967.55 and 29,216.10 is: 43,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,345.90 : 148,967.55 = 29,216.10 : x
  2. Step 2: Convert to fraction form
    99,345.90/148,967.55 = 29,216.10/x
  3. Step 3: Cross multiply
    99,345.90x = 148,967.55 × 29,216.10
  4. Step 4: Simplify right side
    99,345.90x = 4,352,250,837.56
  5. Step 5: Solve for x
    x = 4,352,250,837.56/99,345.90
  6. Step 6: Final answer
    x = 43,809.06

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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.