Home / 106,421.20-159,704.70-59,036.20

Finding the Fourth Proportional to 106,421.20, 159,704.70 and 59,036.20

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Solution

The fourth proportional to 106,421.20, 159,704.70 and 59,036.20 is: 88,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.20 : 159,704.70 = 59,036.20 : x
  2. Step 2: Convert to fraction form
    106,421.20/159,704.70 = 59,036.20/x
  3. Step 3: Cross multiply
    106,421.20x = 159,704.70 × 59,036.20
  4. Step 4: Simplify right side
    106,421.20x = 9,428,358,610.14
  5. Step 5: Solve for x
    x = 9,428,358,610.14/106,421.20
  6. Step 6: Final answer
    x = 88,594.74

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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.