Home / 57,094.60-78,738.40-49,025.68

Finding the Fourth Proportional to 57,094.60, 78,738.40 and 49,025.68

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Solution

The fourth proportional to 57,094.60, 78,738.40 and 49,025.68 is: 67,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.60 : 78,738.40 = 49,025.68 : x
  2. Step 2: Convert to fraction form
    57,094.60/78,738.40 = 49,025.68/x
  3. Step 3: Cross multiply
    57,094.60x = 78,738.40 × 49,025.68
  4. Step 4: Simplify right side
    57,094.60x = 3,860,203,602.11
  5. Step 5: Solve for x
    x = 3,860,203,602.11/57,094.60
  6. Step 6: Final answer
    x = 67,610.66

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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.