Home / 66,509.22-99,707.64-30,952.19

Finding the Fourth Proportional to 66,509.22, 99,707.64 and 30,952.19

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Solution

The fourth proportional to 66,509.22, 99,707.64 and 30,952.19 is: 46,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509.22 : 99,707.64 = 30,952.19 : x
  2. Step 2: Convert to fraction form
    66,509.22/99,707.64 = 30,952.19/x
  3. Step 3: Cross multiply
    66,509.22x = 99,707.64 × 30,952.19
  4. Step 4: Simplify right side
    66,509.22x = 3,086,169,817.73
  5. Step 5: Solve for x
    x = 3,086,169,817.73/66,509.22
  6. Step 6: Final answer
    x = 46,402.14

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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.