Home / 107,242.32-160,779.36-67,716.39

Finding the Fourth Proportional to 107,242.32, 160,779.36 and 67,716.39

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Solution

The fourth proportional to 107,242.32, 160,779.36 and 67,716.39 is: 101,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,242.32 : 160,779.36 = 67,716.39 : x
  2. Step 2: Convert to fraction form
    107,242.32/160,779.36 = 67,716.39/x
  3. Step 3: Cross multiply
    107,242.32x = 160,779.36 × 67,716.39
  4. Step 4: Simplify right side
    107,242.32x = 10,887,397,845.71
  5. Step 5: Solve for x
    x = 10,887,397,845.71/107,242.32
  6. Step 6: Final answer
    x = 101,521.47

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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.