Home / 98,739.58-136,260.06-53,417.44

Finding the Fourth Proportional to 98,739.58, 136,260.06 and 53,417.44

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Solution

The fourth proportional to 98,739.58, 136,260.06 and 53,417.44 is: 73,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.58 : 136,260.06 = 53,417.44 : x
  2. Step 2: Convert to fraction form
    98,739.58/136,260.06 = 53,417.44/x
  3. Step 3: Cross multiply
    98,739.58x = 136,260.06 × 53,417.44
  4. Step 4: Simplify right side
    98,739.58x = 7,278,663,579.45
  5. Step 5: Solve for x
    x = 7,278,663,579.45/98,739.58
  6. Step 6: Final answer
    x = 73,715.76

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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.