Home / 106,919.12-147,585.27-61,615.16

Finding the Fourth Proportional to 106,919.12, 147,585.27 and 61,615.16

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Solution

The fourth proportional to 106,919.12, 147,585.27 and 61,615.16 is: 85,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,919.12 : 147,585.27 = 61,615.16 : x
  2. Step 2: Convert to fraction form
    106,919.12/147,585.27 = 61,615.16/x
  3. Step 3: Cross multiply
    106,919.12x = 147,585.27 × 61,615.16
  4. Step 4: Simplify right side
    106,919.12x = 9,093,489,240.19
  5. Step 5: Solve for x
    x = 9,093,489,240.19/106,919.12
  6. Step 6: Final answer
    x = 85,050.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.