Home / 74,624.17-102,976.16-42,359.44

Finding the Fourth Proportional to 74,624.17, 102,976.16 and 42,359.44

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Solution

The fourth proportional to 74,624.17, 102,976.16 and 42,359.44 is: 58,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,624.17 : 102,976.16 = 42,359.44 : x
  2. Step 2: Convert to fraction form
    74,624.17/102,976.16 = 42,359.44/x
  3. Step 3: Cross multiply
    74,624.17x = 102,976.16 × 42,359.44
  4. Step 4: Simplify right side
    74,624.17x = 4,362,012,054.66
  5. Step 5: Solve for x
    x = 4,362,012,054.66/74,624.17
  6. Step 6: Final answer
    x = 58,453.07

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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.