Home / 117,612.24-176,418-47,490.72

Finding the Fourth Proportional to 117,612.24, 176,418 and 47,490.72

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Solution

The fourth proportional to 117,612.24, 176,418 and 47,490.72 is: 71,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.24 : 176,418 = 47,490.72 : x
  2. Step 2: Convert to fraction form
    117,612.24/176,418 = 47,490.72/x
  3. Step 3: Cross multiply
    117,612.24x = 176,418 × 47,490.72
  4. Step 4: Simplify right side
    117,612.24x = 8,378,217,840.96
  5. Step 5: Solve for x
    x = 8,378,217,840.96/117,612.24
  6. Step 6: Final answer
    x = 71,235.93

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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.