Home / 98,476.32-147,709.60-36,142.08

Finding the Fourth Proportional to 98,476.32, 147,709.60 and 36,142.08

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Solution

The fourth proportional to 98,476.32, 147,709.60 and 36,142.08 is: 54,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,476.32 : 147,709.60 = 36,142.08 : x
  2. Step 2: Convert to fraction form
    98,476.32/147,709.60 = 36,142.08/x
  3. Step 3: Cross multiply
    98,476.32x = 147,709.60 × 36,142.08
  4. Step 4: Simplify right side
    98,476.32x = 5,338,532,179.97
  5. Step 5: Solve for x
    x = 5,338,532,179.97/98,476.32
  6. Step 6: Final answer
    x = 54,211.33

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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.