Home / 75,585.10-113,373.90-28,196.48

Finding the Fourth Proportional to 75,585.10, 113,373.90 and 28,196.48

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Solution

The fourth proportional to 75,585.10, 113,373.90 and 28,196.48 is: 42,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,585.10 : 113,373.90 = 28,196.48 : x
  2. Step 2: Convert to fraction form
    75,585.10/113,373.90 = 28,196.48/x
  3. Step 3: Cross multiply
    75,585.10x = 113,373.90 × 28,196.48
  4. Step 4: Simplify right side
    75,585.10x = 3,196,744,903.87
  5. Step 5: Solve for x
    x = 3,196,744,903.87/75,585.10
  6. Step 6: Final answer
    x = 42,293.32

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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.