Home / 106,528.30-147,062.27-66,255.04

Finding the Fourth Proportional to 106,528.30, 147,062.27 and 66,255.04

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Solution

The fourth proportional to 106,528.30, 147,062.27 and 66,255.04 is: 91,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,528.30 : 147,062.27 = 66,255.04 : x
  2. Step 2: Convert to fraction form
    106,528.30/147,062.27 = 66,255.04/x
  3. Step 3: Cross multiply
    106,528.30x = 147,062.27 × 66,255.04
  4. Step 4: Simplify right side
    106,528.30x = 9,743,616,930.81
  5. Step 5: Solve for x
    x = 9,743,616,930.81/106,528.30
  6. Step 6: Final answer
    x = 91,465.06

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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.