Home / 102,424.64-153,631.49-39,275.02

Finding the Fourth Proportional to 102,424.64, 153,631.49 and 39,275.02

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Solution

The fourth proportional to 102,424.64, 153,631.49 and 39,275.02 is: 58,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,424.64 : 153,631.49 = 39,275.02 : x
  2. Step 2: Convert to fraction form
    102,424.64/153,631.49 = 39,275.02/x
  3. Step 3: Cross multiply
    102,424.64x = 153,631.49 × 39,275.02
  4. Step 4: Simplify right side
    102,424.64x = 6,033,879,556.49
  5. Step 5: Solve for x
    x = 6,033,879,556.49/102,424.64
  6. Step 6: Final answer
    x = 58,910.43

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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.