Home / 111,205.72-153,465.42-60,905.08

Finding the Fourth Proportional to 111,205.72, 153,465.42 and 60,905.08

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Solution

The fourth proportional to 111,205.72, 153,465.42 and 60,905.08 is: 84,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.72 : 153,465.42 = 60,905.08 : x
  2. Step 2: Convert to fraction form
    111,205.72/153,465.42 = 60,905.08/x
  3. Step 3: Cross multiply
    111,205.72x = 153,465.42 × 60,905.08
  4. Step 4: Simplify right side
    111,205.72x = 9,346,823,682.33
  5. Step 5: Solve for x
    x = 9,346,823,682.33/111,205.72
  6. Step 6: Final answer
    x = 84,049.85

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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.