Home / 47,688.78-65,577.18-41,390.22

Finding the Fourth Proportional to 47,688.78, 65,577.18 and 41,390.22

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Solution

The fourth proportional to 47,688.78, 65,577.18 and 41,390.22 is: 56,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.78 : 65,577.18 = 41,390.22 : x
  2. Step 2: Convert to fraction form
    47,688.78/65,577.18 = 41,390.22/x
  3. Step 3: Cross multiply
    47,688.78x = 65,577.18 × 41,390.22
  4. Step 4: Simplify right side
    47,688.78x = 2,714,253,907.18
  5. Step 5: Solve for x
    x = 2,714,253,907.18/47,688.78
  6. Step 6: Final answer
    x = 56,915.99

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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.