Home / 102,124.26-153,187.43-31,058.42

Finding the Fourth Proportional to 102,124.26, 153,187.43 and 31,058.42

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Solution

The fourth proportional to 102,124.26, 153,187.43 and 31,058.42 is: 46,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,124.26 : 153,187.43 = 31,058.42 : x
  2. Step 2: Convert to fraction form
    102,124.26/153,187.43 = 31,058.42/x
  3. Step 3: Cross multiply
    102,124.26x = 153,187.43 × 31,058.42
  4. Step 4: Simplify right side
    102,124.26x = 4,757,758,618.43
  5. Step 5: Solve for x
    x = 4,757,758,618.43/102,124.26
  6. Step 6: Final answer
    x = 46,587.94

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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.