Home / 111,587.45-153,990.18-60,599.78

Finding the Fourth Proportional to 111,587.45, 153,990.18 and 60,599.78

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Solution

The fourth proportional to 111,587.45, 153,990.18 and 60,599.78 is: 83,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,587.45 : 153,990.18 = 60,599.78 : x
  2. Step 2: Convert to fraction form
    111,587.45/153,990.18 = 60,599.78/x
  3. Step 3: Cross multiply
    111,587.45x = 153,990.18 × 60,599.78
  4. Step 4: Simplify right side
    111,587.45x = 9,331,770,260.21
  5. Step 5: Solve for x
    x = 9,331,770,260.21/111,587.45
  6. Step 6: Final answer
    x = 83,627.42

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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.