Home / 106,818.76-160,225.98-31,939.24

Finding the Fourth Proportional to 106,818.76, 160,225.98 and 31,939.24

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Solution

The fourth proportional to 106,818.76, 160,225.98 and 31,939.24 is: 47,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,818.76 : 160,225.98 = 31,939.24 : x
  2. Step 2: Convert to fraction form
    106,818.76/160,225.98 = 31,939.24/x
  3. Step 3: Cross multiply
    106,818.76x = 160,225.98 × 31,939.24
  4. Step 4: Simplify right side
    106,818.76x = 5,117,496,029.46
  5. Step 5: Solve for x
    x = 5,117,496,029.46/106,818.76
  6. Step 6: Final answer
    x = 47,908.21

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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.