Home / 101,534.22-140,112.08-55,592.64

Finding the Fourth Proportional to 101,534.22, 140,112.08 and 55,592.64

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Solution

The fourth proportional to 101,534.22, 140,112.08 and 55,592.64 is: 76,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,534.22 : 140,112.08 = 55,592.64 : x
  2. Step 2: Convert to fraction form
    101,534.22/140,112.08 = 55,592.64/x
  3. Step 3: Cross multiply
    101,534.22x = 140,112.08 × 55,592.64
  4. Step 4: Simplify right side
    101,534.22x = 7,789,200,423.09
  5. Step 5: Solve for x
    x = 7,789,200,423.09/101,534.22
  6. Step 6: Final answer
    x = 76,715.03

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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.