Home / 74,424.90-102,705.93-40,433.11

Finding the Fourth Proportional to 74,424.90, 102,705.93 and 40,433.11

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Solution

The fourth proportional to 74,424.90, 102,705.93 and 40,433.11 is: 55,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.90 : 102,705.93 = 40,433.11 : x
  2. Step 2: Convert to fraction form
    74,424.90/102,705.93 = 40,433.11/x
  3. Step 3: Cross multiply
    74,424.90x = 102,705.93 × 40,433.11
  4. Step 4: Simplify right side
    74,424.90x = 4,152,720,165.34
  5. Step 5: Solve for x
    x = 4,152,720,165.34/74,424.90
  6. Step 6: Final answer
    x = 55,797.46

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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.