Home / 101,585.09-140,188.89-58,563.79

Finding the Fourth Proportional to 101,585.09, 140,188.89 and 58,563.79

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Solution

The fourth proportional to 101,585.09, 140,188.89 and 58,563.79 is: 80,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,585.09 : 140,188.89 = 58,563.79 : x
  2. Step 2: Convert to fraction form
    101,585.09/140,188.89 = 58,563.79/x
  3. Step 3: Cross multiply
    101,585.09x = 140,188.89 × 58,563.79
  4. Step 4: Simplify right side
    101,585.09x = 8,209,992,583.44
  5. Step 5: Solve for x
    x = 8,209,992,583.44/101,585.09
  6. Step 6: Final answer
    x = 80,818.87

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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.