Home / 66,405.12-99,617.48-23,707.24

Finding the Fourth Proportional to 66,405.12, 99,617.48 and 23,707.24

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Solution

The fourth proportional to 66,405.12, 99,617.48 and 23,707.24 is: 35,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,405.12 : 99,617.48 = 23,707.24 : x
  2. Step 2: Convert to fraction form
    66,405.12/99,617.48 = 23,707.24/x
  3. Step 3: Cross multiply
    66,405.12x = 99,617.48 × 23,707.24
  4. Step 4: Simplify right side
    66,405.12x = 2,361,654,889.93
  5. Step 5: Solve for x
    x = 2,361,654,889.93/66,405.12
  6. Step 6: Final answer
    x = 35,564.35

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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.