Home / 89,006.32-122,828.70-48,720.16

Finding the Fourth Proportional to 89,006.32, 122,828.70 and 48,720.16

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Solution

The fourth proportional to 89,006.32, 122,828.70 and 48,720.16 is: 67,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.32 : 122,828.70 = 48,720.16 : x
  2. Step 2: Convert to fraction form
    89,006.32/122,828.70 = 48,720.16/x
  3. Step 3: Cross multiply
    89,006.32x = 122,828.70 × 48,720.16
  4. Step 4: Simplify right side
    89,006.32x = 5,984,233,916.59
  5. Step 5: Solve for x
    x = 5,984,233,916.59/89,006.32
  6. Step 6: Final answer
    x = 67,233.81

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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.