Home / 74,394.20-112,102.71-61,534.64

Finding the Fourth Proportional to 74,394.20, 112,102.71 and 61,534.64

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Solution

The fourth proportional to 74,394.20, 112,102.71 and 61,534.64 is: 92,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394.20 : 112,102.71 = 61,534.64 : x
  2. Step 2: Convert to fraction form
    74,394.20/112,102.71 = 61,534.64/x
  3. Step 3: Cross multiply
    74,394.20x = 112,102.71 × 61,534.64
  4. Step 4: Simplify right side
    74,394.20x = 6,898,199,342.36
  5. Step 5: Solve for x
    x = 6,898,199,342.36/74,394.20
  6. Step 6: Final answer
    x = 92,724.97

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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.