Home / 77,788.22-107,349.90-47,573

Finding the Fourth Proportional to 77,788.22, 107,349.90 and 47,573

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Solution

The fourth proportional to 77,788.22, 107,349.90 and 47,573 is: 65,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,788.22 : 107,349.90 = 47,573 : x
  2. Step 2: Convert to fraction form
    77,788.22/107,349.90 = 47,573/x
  3. Step 3: Cross multiply
    77,788.22x = 107,349.90 × 47,573
  4. Step 4: Simplify right side
    77,788.22x = 5,106,956,792.70
  5. Step 5: Solve for x
    x = 5,106,956,792.70/77,788.22
  6. Step 6: Final answer
    x = 65,652.06

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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.