Home / 57,617.16-86,425.76-18,177.36

Finding the Fourth Proportional to 57,617.16, 86,425.76 and 18,177.36

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Solution

The fourth proportional to 57,617.16, 86,425.76 and 18,177.36 is: 27,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.16 : 86,425.76 = 18,177.36 : x
  2. Step 2: Convert to fraction form
    57,617.16/86,425.76 = 18,177.36/x
  3. Step 3: Cross multiply
    57,617.16x = 86,425.76 × 18,177.36
  4. Step 4: Simplify right side
    57,617.16x = 1,570,992,152.79
  5. Step 5: Solve for x
    x = 1,570,992,152.79/57,617.16
  6. Step 6: Final answer
    x = 27,266.05

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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.