Home / 89,137.36-123,009.73-48,852.62

Finding the Fourth Proportional to 89,137.36, 123,009.73 and 48,852.62

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Solution

The fourth proportional to 89,137.36, 123,009.73 and 48,852.62 is: 67,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.36 : 123,009.73 = 48,852.62 : x
  2. Step 2: Convert to fraction form
    89,137.36/123,009.73 = 48,852.62/x
  3. Step 3: Cross multiply
    89,137.36x = 123,009.73 × 48,852.62
  4. Step 4: Simplify right side
    89,137.36x = 6,009,346,980.94
  5. Step 5: Solve for x
    x = 6,009,346,980.94/89,137.36
  6. Step 6: Final answer
    x = 67,416.70

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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.