Home / 102,449.50-153,743.64-35,890.18

Finding the Fourth Proportional to 102,449.50, 153,743.64 and 35,890.18

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Solution

The fourth proportional to 102,449.50, 153,743.64 and 35,890.18 is: 53,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,449.50 : 153,743.64 = 35,890.18 : x
  2. Step 2: Convert to fraction form
    102,449.50/153,743.64 = 35,890.18/x
  3. Step 3: Cross multiply
    102,449.50x = 153,743.64 × 35,890.18
  4. Step 4: Simplify right side
    102,449.50x = 5,517,886,913.46
  5. Step 5: Solve for x
    x = 5,517,886,913.46/102,449.50
  6. Step 6: Final answer
    x = 53,859.58

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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.