Home / 117,417.15-176,109.21-38,521.17

Finding the Fourth Proportional to 117,417.15, 176,109.21 and 38,521.17

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Solution

The fourth proportional to 117,417.15, 176,109.21 and 38,521.17 is: 57,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,417.15 : 176,109.21 = 38,521.17 : x
  2. Step 2: Convert to fraction form
    117,417.15/176,109.21 = 38,521.17/x
  3. Step 3: Cross multiply
    117,417.15x = 176,109.21 × 38,521.17
  4. Step 4: Simplify right side
    117,417.15x = 6,783,932,816.98
  5. Step 5: Solve for x
    x = 6,783,932,816.98/117,417.15
  6. Step 6: Final answer
    x = 57,776.34

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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.