Home / 77,025.15-106,237.84-48,703.50

Finding the Fourth Proportional to 77,025.15, 106,237.84 and 48,703.50

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Solution

The fourth proportional to 77,025.15, 106,237.84 and 48,703.50 is: 67,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.15 : 106,237.84 = 48,703.50 : x
  2. Step 2: Convert to fraction form
    77,025.15/106,237.84 = 48,703.50/x
  3. Step 3: Cross multiply
    77,025.15x = 106,237.84 × 48,703.50
  4. Step 4: Simplify right side
    77,025.15x = 5,174,154,640.44
  5. Step 5: Solve for x
    x = 5,174,154,640.44/77,025.15
  6. Step 6: Final answer
    x = 67,174.87

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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.