Home / 75,830.64-113,759.33-25,899.03

Finding the Fourth Proportional to 75,830.64, 113,759.33 and 25,899.03

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Solution

The fourth proportional to 75,830.64, 113,759.33 and 25,899.03 is: 38,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,830.64 : 113,759.33 = 25,899.03 : x
  2. Step 2: Convert to fraction form
    75,830.64/113,759.33 = 25,899.03/x
  3. Step 3: Cross multiply
    75,830.64x = 113,759.33 × 25,899.03
  4. Step 4: Simplify right side
    75,830.64x = 2,946,256,300.45
  5. Step 5: Solve for x
    x = 2,946,256,300.45/75,830.64
  6. Step 6: Final answer
    x = 38,853.11

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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.