Home / 57,399.60-79,023.69-45,277.95

Finding the Fourth Proportional to 57,399.60, 79,023.69 and 45,277.95

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Solution

The fourth proportional to 57,399.60, 79,023.69 and 45,277.95 is: 62,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399.60 : 79,023.69 = 45,277.95 : x
  2. Step 2: Convert to fraction form
    57,399.60/79,023.69 = 45,277.95/x
  3. Step 3: Cross multiply
    57,399.60x = 79,023.69 × 45,277.95
  4. Step 4: Simplify right side
    57,399.60x = 3,578,030,684.64
  5. Step 5: Solve for x
    x = 3,578,030,684.64/57,399.60
  6. Step 6: Final answer
    x = 62,335.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.