Home / 106,066.75-159,091.80-61,665.16

Finding the Fourth Proportional to 106,066.75, 159,091.80 and 61,665.16

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Solution

The fourth proportional to 106,066.75, 159,091.80 and 61,665.16 is: 92,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,066.75 : 159,091.80 = 61,665.16 : x
  2. Step 2: Convert to fraction form
    106,066.75/159,091.80 = 61,665.16/x
  3. Step 3: Cross multiply
    106,066.75x = 159,091.80 × 61,665.16
  4. Step 4: Simplify right side
    106,066.75x = 9,810,421,301.69
  5. Step 5: Solve for x
    x = 9,810,421,301.69/106,066.75
  6. Step 6: Final answer
    x = 92,492.90

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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.