Home / 74,025.75-102,108.51-48,533.77

Finding the Fourth Proportional to 74,025.75, 102,108.51 and 48,533.77

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Solution

The fourth proportional to 74,025.75, 102,108.51 and 48,533.77 is: 66,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025.75 : 102,108.51 = 48,533.77 : x
  2. Step 2: Convert to fraction form
    74,025.75/102,108.51 = 48,533.77/x
  3. Step 3: Cross multiply
    74,025.75x = 102,108.51 × 48,533.77
  4. Step 4: Simplify right side
    74,025.75x = 4,955,710,991.68
  5. Step 5: Solve for x
    x = 4,955,710,991.68/74,025.75
  6. Step 6: Final answer
    x = 66,945.77

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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.