Home / 57,112.96-85,660.08-15,563.20

Finding the Fourth Proportional to 57,112.96, 85,660.08 and 15,563.20

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Solution

The fourth proportional to 57,112.96, 85,660.08 and 15,563.20 is: 23,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.96 : 85,660.08 = 15,563.20 : x
  2. Step 2: Convert to fraction form
    57,112.96/85,660.08 = 15,563.20/x
  3. Step 3: Cross multiply
    57,112.96x = 85,660.08 × 15,563.20
  4. Step 4: Simplify right side
    57,112.96x = 1,333,144,957.06
  5. Step 5: Solve for x
    x = 1,333,144,957.06/57,112.96
  6. Step 6: Final answer
    x = 23,342.25

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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.