Home / 99,999.36-137,993.46-54,668.93

Finding the Fourth Proportional to 99,999.36, 137,993.46 and 54,668.93

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Solution

The fourth proportional to 99,999.36, 137,993.46 and 54,668.93 is: 75,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,999.36 : 137,993.46 = 54,668.93 : x
  2. Step 2: Convert to fraction form
    99,999.36/137,993.46 = 54,668.93/x
  3. Step 3: Cross multiply
    99,999.36x = 137,993.46 × 54,668.93
  4. Step 4: Simplify right side
    99,999.36x = 7,543,954,115.23
  5. Step 5: Solve for x
    x = 7,543,954,115.23/99,999.36
  6. Step 6: Final answer
    x = 75,440.02

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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.