Home / 57,431.73-86,059.67-38,642.16

Finding the Fourth Proportional to 57,431.73, 86,059.67 and 38,642.16

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Solution

The fourth proportional to 57,431.73, 86,059.67 and 38,642.16 is: 57,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.73 : 86,059.67 = 38,642.16 : x
  2. Step 2: Convert to fraction form
    57,431.73/86,059.67 = 38,642.16/x
  3. Step 3: Cross multiply
    57,431.73x = 86,059.67 × 38,642.16
  4. Step 4: Simplify right side
    57,431.73x = 3,325,531,344.48
  5. Step 5: Solve for x
    x = 3,325,531,344.48/57,431.73
  6. Step 6: Final answer
    x = 57,904.08

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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.