Home / 74,548.57-102,876.18-55,513.48

Finding the Fourth Proportional to 74,548.57, 102,876.18 and 55,513.48

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Solution

The fourth proportional to 74,548.57, 102,876.18 and 55,513.48 is: 76,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,548.57 : 102,876.18 = 55,513.48 : x
  2. Step 2: Convert to fraction form
    74,548.57/102,876.18 = 55,513.48/x
  3. Step 3: Cross multiply
    74,548.57x = 102,876.18 × 55,513.48
  4. Step 4: Simplify right side
    74,548.57x = 5,711,014,760.91
  5. Step 5: Solve for x
    x = 5,711,014,760.91/74,548.57
  6. Step 6: Final answer
    x = 76,607.97

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1.5x scale

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.