Home / 49,746.72-74,620-34,116.96

Finding the Fourth Proportional to 49,746.72, 74,620 and 34,116.96

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Solution

The fourth proportional to 49,746.72, 74,620 and 34,116.96 is: 51,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,746.72 : 74,620 = 34,116.96 : x
  2. Step 2: Convert to fraction form
    49,746.72/74,620 = 34,116.96/x
  3. Step 3: Cross multiply
    49,746.72x = 74,620 × 34,116.96
  4. Step 4: Simplify right side
    49,746.72x = 2,545,807,555.20
  5. Step 5: Solve for x
    x = 2,545,807,555.20/49,746.72
  6. Step 6: Final answer
    x = 51,175.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.