Home / 57,540.61-86,148.60-30,461.59

Finding the Fourth Proportional to 57,540.61, 86,148.60 and 30,461.59

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Solution

The fourth proportional to 57,540.61, 86,148.60 and 30,461.59 is: 45,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540.61 : 86,148.60 = 30,461.59 : x
  2. Step 2: Convert to fraction form
    57,540.61/86,148.60 = 30,461.59/x
  3. Step 3: Cross multiply
    57,540.61x = 86,148.60 × 30,461.59
  4. Step 4: Simplify right side
    57,540.61x = 2,624,223,332.27
  5. Step 5: Solve for x
    x = 2,624,223,332.27/57,540.61
  6. Step 6: Final answer
    x = 45,606.46

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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.