Home / 75,686.40-113,525.48-23,091.75

Finding the Fourth Proportional to 75,686.40, 113,525.48 and 23,091.75

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Solution

The fourth proportional to 75,686.40, 113,525.48 and 23,091.75 is: 34,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,686.40 : 113,525.48 = 23,091.75 : x
  2. Step 2: Convert to fraction form
    75,686.40/113,525.48 = 23,091.75/x
  3. Step 3: Cross multiply
    75,686.40x = 113,525.48 × 23,091.75
  4. Step 4: Simplify right side
    75,686.40x = 2,621,502,060.52
  5. Step 5: Solve for x
    x = 2,621,502,060.52/75,686.40
  6. Step 6: Final answer
    x = 34,636.37

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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.