Home / 99,062.24-136,672.60-56,590.68

Finding the Fourth Proportional to 99,062.24, 136,672.60 and 56,590.68

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Solution

The fourth proportional to 99,062.24, 136,672.60 and 56,590.68 is: 78,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,062.24 : 136,672.60 = 56,590.68 : x
  2. Step 2: Convert to fraction form
    99,062.24/136,672.60 = 56,590.68/x
  3. Step 3: Cross multiply
    99,062.24x = 136,672.60 × 56,590.68
  4. Step 4: Simplify right side
    99,062.24x = 7,734,395,371.37
  5. Step 5: Solve for x
    x = 7,734,395,371.37/99,062.24
  6. Step 6: Final answer
    x = 78,076.12

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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.