Home / 74,014.08-102,135.68-45,722.24

Finding the Fourth Proportional to 74,014.08, 102,135.68 and 45,722.24

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Solution

The fourth proportional to 74,014.08, 102,135.68 and 45,722.24 is: 63,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.08 : 102,135.68 = 45,722.24 : x
  2. Step 2: Convert to fraction form
    74,014.08/102,135.68 = 45,722.24/x
  3. Step 3: Cross multiply
    74,014.08x = 102,135.68 × 45,722.24
  4. Step 4: Simplify right side
    74,014.08x = 4,669,872,073.52
  5. Step 5: Solve for x
    x = 4,669,872,073.52/74,014.08
  6. Step 6: Final answer
    x = 63,094.37

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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.