Home / 54,643.02-81,836.95-42,063.22

Finding the Fourth Proportional to 54,643.02, 81,836.95 and 42,063.22

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Solution

The fourth proportional to 54,643.02, 81,836.95 and 42,063.22 is: 62,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,643.02 : 81,836.95 = 42,063.22 : x
  2. Step 2: Convert to fraction form
    54,643.02/81,836.95 = 42,063.22/x
  3. Step 3: Cross multiply
    54,643.02x = 81,836.95 × 42,063.22
  4. Step 4: Simplify right side
    54,643.02x = 3,442,325,631.98
  5. Step 5: Solve for x
    x = 3,442,325,631.98/54,643.02
  6. Step 6: Final answer
    x = 62,996.62

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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.