Home / 98,999.09-136,619.21-53,676.93

Finding the Fourth Proportional to 98,999.09, 136,619.21 and 53,676.93

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Solution

The fourth proportional to 98,999.09, 136,619.21 and 53,676.93 is: 74,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.09 : 136,619.21 = 53,676.93 : x
  2. Step 2: Convert to fraction form
    98,999.09/136,619.21 = 53,676.93/x
  3. Step 3: Cross multiply
    98,999.09x = 136,619.21 × 53,676.93
  4. Step 4: Simplify right side
    98,999.09x = 7,333,299,347.92
  5. Step 5: Solve for x
    x = 7,333,299,347.92/98,999.09
  6. Step 6: Final answer
    x = 74,074.41

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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.