Home / 89,518.02-123,530.63-49,233.48

Finding the Fourth Proportional to 89,518.02, 123,530.63 and 49,233.48

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Solution

The fourth proportional to 89,518.02, 123,530.63 and 49,233.48 is: 67,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518.02 : 123,530.63 = 49,233.48 : x
  2. Step 2: Convert to fraction form
    89,518.02/123,530.63 = 49,233.48/x
  3. Step 3: Cross multiply
    89,518.02x = 123,530.63 × 49,233.48
  4. Step 4: Simplify right side
    89,518.02x = 6,081,842,801.49
  5. Step 5: Solve for x
    x = 6,081,842,801.49/89,518.02
  6. Step 6: Final answer
    x = 67,939.87

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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.