Home / 89,039.54-122,875.98-48,752.66

Finding the Fourth Proportional to 89,039.54, 122,875.98 and 48,752.66

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Solution

The fourth proportional to 89,039.54, 122,875.98 and 48,752.66 is: 67,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.54 : 122,875.98 = 48,752.66 : x
  2. Step 2: Convert to fraction form
    89,039.54/122,875.98 = 48,752.66/x
  3. Step 3: Cross multiply
    89,039.54x = 122,875.98 × 48,752.66
  4. Step 4: Simplify right side
    89,039.54x = 5,990,530,875.11
  5. Step 5: Solve for x
    x = 5,990,530,875.11/89,039.54
  6. Step 6: Final answer
    x = 67,279.45

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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.