Home / 54,028.13-81,070.74-38,334.58

Finding the Fourth Proportional to 54,028.13, 81,070.74 and 38,334.58

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Solution

The fourth proportional to 54,028.13, 81,070.74 and 38,334.58 is: 57,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.13 : 81,070.74 = 38,334.58 : x
  2. Step 2: Convert to fraction form
    54,028.13/81,070.74 = 38,334.58/x
  3. Step 3: Cross multiply
    54,028.13x = 81,070.74 × 38,334.58
  4. Step 4: Simplify right side
    54,028.13x = 3,107,812,768.19
  5. Step 5: Solve for x
    x = 3,107,812,768.19/54,028.13
  6. Step 6: Final answer
    x = 57,522.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.