Home / 99,322.48-137,064.60-54,609.52

Finding the Fourth Proportional to 99,322.48, 137,064.60 and 54,609.52

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Solution

The fourth proportional to 99,322.48, 137,064.60 and 54,609.52 is: 75,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,322.48 : 137,064.60 = 54,609.52 : x
  2. Step 2: Convert to fraction form
    99,322.48/137,064.60 = 54,609.52/x
  3. Step 3: Cross multiply
    99,322.48x = 137,064.60 × 54,609.52
  4. Step 4: Simplify right side
    99,322.48x = 7,485,032,014.99
  5. Step 5: Solve for x
    x = 7,485,032,014.99/99,322.48
  6. Step 6: Final answer
    x = 75,360.91

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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.