Home / 74,802.67-103,231.63-42,973.62

Finding the Fourth Proportional to 74,802.67, 103,231.63 and 42,973.62

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Solution

The fourth proportional to 74,802.67, 103,231.63 and 42,973.62 is: 59,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.67 : 103,231.63 = 42,973.62 : x
  2. Step 2: Convert to fraction form
    74,802.67/103,231.63 = 42,973.62/x
  3. Step 3: Cross multiply
    74,802.67x = 103,231.63 × 42,973.62
  4. Step 4: Simplify right side
    74,802.67x = 4,436,236,506.20
  5. Step 5: Solve for x
    x = 4,436,236,506.20/74,802.67
  6. Step 6: Final answer
    x = 59,305.86

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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.