Home / 101,982.16-152,950.14-38,779.75

Finding the Fourth Proportional to 101,982.16, 152,950.14 and 38,779.75

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Solution

The fourth proportional to 101,982.16, 152,950.14 and 38,779.75 is: 58,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982.16 : 152,950.14 = 38,779.75 : x
  2. Step 2: Convert to fraction form
    101,982.16/152,950.14 = 38,779.75/x
  3. Step 3: Cross multiply
    101,982.16x = 152,950.14 × 38,779.75
  4. Step 4: Simplify right side
    101,982.16x = 5,931,368,191.67
  5. Step 5: Solve for x
    x = 5,931,368,191.67/101,982.16
  6. Step 6: Final answer
    x = 58,160.84

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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.