Home / 74,616.31-102,967.94-40,624.21

Finding the Fourth Proportional to 74,616.31, 102,967.94 and 40,624.21

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Solution

The fourth proportional to 74,616.31, 102,967.94 and 40,624.21 is: 56,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616.31 : 102,967.94 = 40,624.21 : x
  2. Step 2: Convert to fraction form
    74,616.31/102,967.94 = 40,624.21/x
  3. Step 3: Cross multiply
    74,616.31x = 102,967.94 × 40,624.21
  4. Step 4: Simplify right side
    74,616.31x = 4,182,990,499.87
  5. Step 5: Solve for x
    x = 4,182,990,499.87/74,616.31
  6. Step 6: Final answer
    x = 56,060.01

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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.