Home / 104,815.38-144,741.23-66,587.23

Finding the Fourth Proportional to 104,815.38, 144,741.23 and 66,587.23

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Solution

The fourth proportional to 104,815.38, 144,741.23 and 66,587.23 is: 91,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.38 : 144,741.23 = 66,587.23 : x
  2. Step 2: Convert to fraction form
    104,815.38/144,741.23 = 66,587.23/x
  3. Step 3: Cross multiply
    104,815.38x = 144,741.23 × 66,587.23
  4. Step 4: Simplify right side
    104,815.38x = 9,637,917,670.19
  5. Step 5: Solve for x
    x = 9,637,917,670.19/104,815.38
  6. Step 6: Final answer
    x = 91,951.37

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1.5x scale

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.