Home / 57,921.44-86,747.21-56,325.12

Finding the Fourth Proportional to 57,921.44, 86,747.21 and 56,325.12

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Solution

The fourth proportional to 57,921.44, 86,747.21 and 56,325.12 is: 84,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.44 : 86,747.21 = 56,325.12 : x
  2. Step 2: Convert to fraction form
    57,921.44/86,747.21 = 56,325.12/x
  3. Step 3: Cross multiply
    57,921.44x = 86,747.21 × 56,325.12
  4. Step 4: Simplify right side
    57,921.44x = 4,886,046,731.29
  5. Step 5: Solve for x
    x = 4,886,046,731.29/57,921.44
  6. Step 6: Final answer
    x = 84,356.45

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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.