Home / 106,720.44-160,089.72-31,835.76

Finding the Fourth Proportional to 106,720.44, 160,089.72 and 31,835.76

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Solution

The fourth proportional to 106,720.44, 160,089.72 and 31,835.76 is: 47,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,720.44 : 160,089.72 = 31,835.76 : x
  2. Step 2: Convert to fraction form
    106,720.44/160,089.72 = 31,835.76/x
  3. Step 3: Cross multiply
    106,720.44x = 160,089.72 × 31,835.76
  4. Step 4: Simplify right side
    106,720.44x = 5,096,577,904.39
  5. Step 5: Solve for x
    x = 5,096,577,904.39/106,720.44
  6. Step 6: Final answer
    x = 47,756.34

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1.5x scale

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.