Home / 57,216.71-85,848.75-30,890.49

Finding the Fourth Proportional to 57,216.71, 85,848.75 and 30,890.49

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Solution

The fourth proportional to 57,216.71, 85,848.75 and 30,890.49 is: 46,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.71 : 85,848.75 = 30,890.49 : x
  2. Step 2: Convert to fraction form
    57,216.71/85,848.75 = 30,890.49/x
  3. Step 3: Cross multiply
    57,216.71x = 85,848.75 × 30,890.49
  4. Step 4: Simplify right side
    57,216.71x = 2,651,909,953.39
  5. Step 5: Solve for x
    x = 2,651,909,953.39/57,216.71
  6. Step 6: Final answer
    x = 46,348.53

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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.