Home / 57,342.09-86,041.33-25,774.45

Finding the Fourth Proportional to 57,342.09, 86,041.33 and 25,774.45

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Solution

The fourth proportional to 57,342.09, 86,041.33 and 25,774.45 is: 38,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.09 : 86,041.33 = 25,774.45 : x
  2. Step 2: Convert to fraction form
    57,342.09/86,041.33 = 25,774.45/x
  3. Step 3: Cross multiply
    57,342.09x = 86,041.33 × 25,774.45
  4. Step 4: Simplify right side
    57,342.09x = 2,217,667,958.02
  5. Step 5: Solve for x
    x = 2,217,667,958.02/57,342.09
  6. Step 6: Final answer
    x = 38,674.35

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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.