Home / 75,516.70-113,271.45-25,591.90

Finding the Fourth Proportional to 75,516.70, 113,271.45 and 25,591.90

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Solution

The fourth proportional to 75,516.70, 113,271.45 and 25,591.90 is: 38,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,516.70 : 113,271.45 = 25,591.90 : x
  2. Step 2: Convert to fraction form
    75,516.70/113,271.45 = 25,591.90/x
  3. Step 3: Cross multiply
    75,516.70x = 113,271.45 × 25,591.90
  4. Step 4: Simplify right side
    75,516.70x = 2,898,831,621.26
  5. Step 5: Solve for x
    x = 2,898,831,621.26/75,516.70
  6. Step 6: Final answer
    x = 38,386.63

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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.