Home / 106,967.16-160,444.26-28,079.64

Finding the Fourth Proportional to 106,967.16, 160,444.26 and 28,079.64

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Solution

The fourth proportional to 106,967.16, 160,444.26 and 28,079.64 is: 42,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,967.16 : 160,444.26 = 28,079.64 : x
  2. Step 2: Convert to fraction form
    106,967.16/160,444.26 = 28,079.64/x
  3. Step 3: Cross multiply
    106,967.16x = 160,444.26 × 28,079.64
  4. Step 4: Simplify right side
    106,967.16x = 4,505,217,060.87
  5. Step 5: Solve for x
    x = 4,505,217,060.87/106,967.16
  6. Step 6: Final answer
    x = 42,117.76

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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.