Home / 89,345.03-123,290.54-49,058.60

Finding the Fourth Proportional to 89,345.03, 123,290.54 and 49,058.60

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Solution

The fourth proportional to 89,345.03, 123,290.54 and 49,058.60 is: 67,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345.03 : 123,290.54 = 49,058.60 : x
  2. Step 2: Convert to fraction form
    89,345.03/123,290.54 = 49,058.60/x
  3. Step 3: Cross multiply
    89,345.03x = 123,290.54 × 49,058.60
  4. Step 4: Simplify right side
    89,345.03x = 6,048,461,285.64
  5. Step 5: Solve for x
    x = 6,048,461,285.64/89,345.03
  6. Step 6: Final answer
    x = 67,697.79

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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.