Home / 74,388.18-102,626.01-47,523.72

Finding the Fourth Proportional to 74,388.18, 102,626.01 and 47,523.72

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Solution

The fourth proportional to 74,388.18, 102,626.01 and 47,523.72 is: 65,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,388.18 : 102,626.01 = 47,523.72 : x
  2. Step 2: Convert to fraction form
    74,388.18/102,626.01 = 47,523.72/x
  3. Step 3: Cross multiply
    74,388.18x = 102,626.01 × 47,523.72
  4. Step 4: Simplify right side
    74,388.18x = 4,877,169,763.96
  5. Step 5: Solve for x
    x = 4,877,169,763.96/74,388.18
  6. Step 6: Final answer
    x = 65,563.77

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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.