Home / 74,023.41-102,158.19-47,177.97

Finding the Fourth Proportional to 74,023.41, 102,158.19 and 47,177.97

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Solution

The fourth proportional to 74,023.41, 102,158.19 and 47,177.97 is: 65,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,023.41 : 102,158.19 = 47,177.97 : x
  2. Step 2: Convert to fraction form
    74,023.41/102,158.19 = 47,177.97/x
  3. Step 3: Cross multiply
    74,023.41x = 102,158.19 × 47,177.97
  4. Step 4: Simplify right side
    74,023.41x = 4,819,616,023.07
  5. Step 5: Solve for x
    x = 4,819,616,023.07/74,023.41
  6. Step 6: Final answer
    x = 65,109.35

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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.