Home / 74,163.10-111,281.10-34,713.40

Finding the Fourth Proportional to 74,163.10, 111,281.10 and 34,713.40

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Solution

The fourth proportional to 74,163.10, 111,281.10 and 34,713.40 is: 52,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,163.10 : 111,281.10 = 34,713.40 : x
  2. Step 2: Convert to fraction form
    74,163.10/111,281.10 = 34,713.40/x
  3. Step 3: Cross multiply
    74,163.10x = 111,281.10 × 34,713.40
  4. Step 4: Simplify right side
    74,163.10x = 3,862,945,336.74
  5. Step 5: Solve for x
    x = 3,862,945,336.74/74,163.10
  6. Step 6: Final answer
    x = 52,087.16

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1.5x scale

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.