Home / 89,070.12-122,916.95-48,234.69

Finding the Fourth Proportional to 89,070.12, 122,916.95 and 48,234.69

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Solution

The fourth proportional to 89,070.12, 122,916.95 and 48,234.69 is: 66,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,070.12 : 122,916.95 = 48,234.69 : x
  2. Step 2: Convert to fraction form
    89,070.12/122,916.95 = 48,234.69/x
  3. Step 3: Cross multiply
    89,070.12x = 122,916.95 × 48,234.69
  4. Step 4: Simplify right side
    89,070.12x = 5,928,860,979.00
  5. Step 5: Solve for x
    x = 5,928,860,979.00/89,070.12
  6. Step 6: Final answer
    x = 66,563.97

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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.