Home / 89,005.16-122,827.02-48,718.56

Finding the Fourth Proportional to 89,005.16, 122,827.02 and 48,718.56

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Solution

The fourth proportional to 89,005.16, 122,827.02 and 48,718.56 is: 67,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.16 : 122,827.02 = 48,718.56 : x
  2. Step 2: Convert to fraction form
    89,005.16/122,827.02 = 48,718.56/x
  3. Step 3: Cross multiply
    89,005.16x = 122,827.02 × 48,718.56
  4. Step 4: Simplify right side
    89,005.16x = 5,983,954,929.36
  5. Step 5: Solve for x
    x = 5,983,954,929.36/89,005.16
  6. Step 6: Final answer
    x = 67,231.55

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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.