Home / 104,587.28-144,351.42-62,137.64

Finding the Fourth Proportional to 104,587.28, 144,351.42 and 62,137.64

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Solution

The fourth proportional to 104,587.28, 144,351.42 and 62,137.64 is: 85,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.28 : 144,351.42 = 62,137.64 : x
  2. Step 2: Convert to fraction form
    104,587.28/144,351.42 = 62,137.64/x
  3. Step 3: Cross multiply
    104,587.28x = 144,351.42 × 62,137.64
  4. Step 4: Simplify right side
    104,587.28x = 8,969,656,569.45
  5. Step 5: Solve for x
    x = 8,969,656,569.45/104,587.28
  6. Step 6: Final answer
    x = 85,762.40

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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.