Home / 73,846.12-101,911.46-42,019.60

Finding the Fourth Proportional to 73,846.12, 101,911.46 and 42,019.60

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Solution

The fourth proportional to 73,846.12, 101,911.46 and 42,019.60 is: 57,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,846.12 : 101,911.46 = 42,019.60 : x
  2. Step 2: Convert to fraction form
    73,846.12/101,911.46 = 42,019.60/x
  3. Step 3: Cross multiply
    73,846.12x = 101,911.46 × 42,019.60
  4. Step 4: Simplify right side
    73,846.12x = 4,282,278,784.62
  5. Step 5: Solve for x
    x = 4,282,278,784.62/73,846.12
  6. Step 6: Final answer
    x = 57,989.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.