Home / 102,928.53-154,371.15-29,039.25

Finding the Fourth Proportional to 102,928.53, 154,371.15 and 29,039.25

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Solution

The fourth proportional to 102,928.53, 154,371.15 and 29,039.25 is: 43,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,928.53 : 154,371.15 = 29,039.25 : x
  2. Step 2: Convert to fraction form
    102,928.53/154,371.15 = 29,039.25/x
  3. Step 3: Cross multiply
    102,928.53x = 154,371.15 × 29,039.25
  4. Step 4: Simplify right side
    102,928.53x = 4,482,822,417.64
  5. Step 5: Solve for x
    x = 4,482,822,417.64/102,928.53
  6. Step 6: Final answer
    x = 43,552.77

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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.