Home / 113,414.10-170,139.46-34,509.76

Finding the Fourth Proportional to 113,414.10, 170,139.46 and 34,509.76

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Solution

The fourth proportional to 113,414.10, 170,139.46 and 34,509.76 is: 51,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,414.10 : 170,139.46 = 34,509.76 : x
  2. Step 2: Convert to fraction form
    113,414.10/170,139.46 = 34,509.76/x
  3. Step 3: Cross multiply
    113,414.10x = 170,139.46 × 34,509.76
  4. Step 4: Simplify right side
    113,414.10x = 5,871,471,931.13
  5. Step 5: Solve for x
    x = 5,871,471,931.13/113,414.10
  6. Step 6: Final answer
    x = 51,770.21

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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.