Home / 111,633.15-154,053.13-60,645.48

Finding the Fourth Proportional to 111,633.15, 154,053.13 and 60,645.48

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Solution

The fourth proportional to 111,633.15, 154,053.13 and 60,645.48 is: 83,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,633.15 : 154,053.13 = 60,645.48 : x
  2. Step 2: Convert to fraction form
    111,633.15/154,053.13 = 60,645.48/x
  3. Step 3: Cross multiply
    111,633.15x = 154,053.13 × 60,645.48
  4. Step 4: Simplify right side
    111,633.15x = 9,342,626,014.35
  5. Step 5: Solve for x
    x = 9,342,626,014.35/111,633.15
  6. Step 6: Final answer
    x = 83,690.43

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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.