Home / 89,125.02-122,990.60-48,837.92

Finding the Fourth Proportional to 89,125.02, 122,990.60 and 48,837.92

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Solution

The fourth proportional to 89,125.02, 122,990.60 and 48,837.92 is: 67,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.02 : 122,990.60 = 48,837.92 : x
  2. Step 2: Convert to fraction form
    89,125.02/122,990.60 = 48,837.92/x
  3. Step 3: Cross multiply
    89,125.02x = 122,990.60 × 48,837.92
  4. Step 4: Simplify right side
    89,125.02x = 6,006,605,083.55
  5. Step 5: Solve for x
    x = 6,006,605,083.55/89,125.02
  6. Step 6: Final answer
    x = 67,395.27

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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.