Home / 89,875.04-124,027.20-49,591.31

Finding the Fourth Proportional to 89,875.04, 124,027.20 and 49,591.31

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Solution

The fourth proportional to 89,875.04, 124,027.20 and 49,591.31 is: 68,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,875.04 : 124,027.20 = 49,591.31 : x
  2. Step 2: Convert to fraction form
    89,875.04/124,027.20 = 49,591.31/x
  3. Step 3: Cross multiply
    89,875.04x = 124,027.20 × 49,591.31
  4. Step 4: Simplify right side
    89,875.04x = 6,150,670,703.50
  5. Step 5: Solve for x
    x = 6,150,670,703.50/89,875.04
  6. Step 6: Final answer
    x = 68,435.81

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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.