Home / 74,606.02-102,966.72-47,805.62

Finding the Fourth Proportional to 74,606.02, 102,966.72 and 47,805.62

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Solution

The fourth proportional to 74,606.02, 102,966.72 and 47,805.62 is: 65,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.02 : 102,966.72 = 47,805.62 : x
  2. Step 2: Convert to fraction form
    74,606.02/102,966.72 = 47,805.62/x
  3. Step 3: Cross multiply
    74,606.02x = 102,966.72 × 47,805.62
  4. Step 4: Simplify right side
    74,606.02x = 4,922,388,325.65
  5. Step 5: Solve for x
    x = 4,922,388,325.65/74,606.02
  6. Step 6: Final answer
    x = 65,978.44

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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.