Home / 51,203.16-77,076.45-36,513.72

Finding the Fourth Proportional to 51,203.16, 77,076.45 and 36,513.72

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Solution

The fourth proportional to 51,203.16, 77,076.45 and 36,513.72 is: 54,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.16 : 77,076.45 = 36,513.72 : x
  2. Step 2: Convert to fraction form
    51,203.16/77,076.45 = 36,513.72/x
  3. Step 3: Cross multiply
    51,203.16x = 77,076.45 × 36,513.72
  4. Step 4: Simplify right side
    51,203.16x = 2,814,347,913.89
  5. Step 5: Solve for x
    x = 2,814,347,913.89/51,203.16
  6. Step 6: Final answer
    x = 54,964.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.