Home / 89,085.72-122,935.02-48,799.87

Finding the Fourth Proportional to 89,085.72, 122,935.02 and 48,799.87

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Solution

The fourth proportional to 89,085.72, 122,935.02 and 48,799.87 is: 67,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.72 : 122,935.02 = 48,799.87 : x
  2. Step 2: Convert to fraction form
    89,085.72/122,935.02 = 48,799.87/x
  3. Step 3: Cross multiply
    89,085.72x = 122,935.02 × 48,799.87
  4. Step 4: Simplify right side
    89,085.72x = 5,999,212,504.11
  5. Step 5: Solve for x
    x = 5,999,212,504.11/89,085.72
  6. Step 6: Final answer
    x = 67,342.02

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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.