Home / 77,593.37-107,091.33-72,528.14

Finding the Fourth Proportional to 77,593.37, 107,091.33 and 72,528.14

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Solution

The fourth proportional to 77,593.37, 107,091.33 and 72,528.14 is: 100,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,593.37 : 107,091.33 = 72,528.14 : x
  2. Step 2: Convert to fraction form
    77,593.37/107,091.33 = 72,528.14/x
  3. Step 3: Cross multiply
    77,593.37x = 107,091.33 × 72,528.14
  4. Step 4: Simplify right side
    77,593.37x = 7,767,134,975.03
  5. Step 5: Solve for x
    x = 7,767,134,975.03/77,593.37
  6. Step 6: Final answer
    x = 100,100.50

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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.