Home / 55,942.56-77,199.24-30,792.12

Finding the Fourth Proportional to 55,942.56, 77,199.24 and 30,792.12

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Solution

The fourth proportional to 55,942.56, 77,199.24 and 30,792.12 is: 42,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.56 : 77,199.24 = 30,792.12 : x
  2. Step 2: Convert to fraction form
    55,942.56/77,199.24 = 30,792.12/x
  3. Step 3: Cross multiply
    55,942.56x = 77,199.24 × 30,792.12
  4. Step 4: Simplify right side
    55,942.56x = 2,377,128,261.99
  5. Step 5: Solve for x
    x = 2,377,128,261.99/55,942.56
  6. Step 6: Final answer
    x = 42,492.30

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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.