Home / 103,804.25-155,585.39-47,650.29

Finding the Fourth Proportional to 103,804.25, 155,585.39 and 47,650.29

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Solution

The fourth proportional to 103,804.25, 155,585.39 and 47,650.29 is: 71,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,804.25 : 155,585.39 = 47,650.29 : x
  2. Step 2: Convert to fraction form
    103,804.25/155,585.39 = 47,650.29/x
  3. Step 3: Cross multiply
    103,804.25x = 155,585.39 × 47,650.29
  4. Step 4: Simplify right side
    103,804.25x = 7,413,688,953.26
  5. Step 5: Solve for x
    x = 7,413,688,953.26/103,804.25
  6. Step 6: Final answer
    x = 71,419.90

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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.