Home / 75,290.10-112,893.90-34,719.57

Finding the Fourth Proportional to 75,290.10, 112,893.90 and 34,719.57

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Solution

The fourth proportional to 75,290.10, 112,893.90 and 34,719.57 is: 52,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,290.10 : 112,893.90 = 34,719.57 : x
  2. Step 2: Convert to fraction form
    75,290.10/112,893.90 = 34,719.57/x
  3. Step 3: Cross multiply
    75,290.10x = 112,893.90 × 34,719.57
  4. Step 4: Simplify right side
    75,290.10x = 3,919,627,533.42
  5. Step 5: Solve for x
    x = 3,919,627,533.42/75,290.10
  6. Step 6: Final answer
    x = 52,060.33

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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.