Home / 114,689.76-172,058.57-57,795.66

Finding the Fourth Proportional to 114,689.76, 172,058.57 and 57,795.66

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Solution

The fourth proportional to 114,689.76, 172,058.57 and 57,795.66 is: 86,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,689.76 : 172,058.57 = 57,795.66 : x
  2. Step 2: Convert to fraction form
    114,689.76/172,058.57 = 57,795.66/x
  3. Step 3: Cross multiply
    114,689.76x = 172,058.57 × 57,795.66
  4. Step 4: Simplify right side
    114,689.76x = 9,944,238,322.83
  5. Step 5: Solve for x
    x = 9,944,238,322.83/114,689.76
  6. Step 6: Final answer
    x = 86,705.55

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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.