Home / 98,918.56-136,507.43-53,597.77

Finding the Fourth Proportional to 98,918.56, 136,507.43 and 53,597.77

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Solution

The fourth proportional to 98,918.56, 136,507.43 and 53,597.77 is: 73,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,918.56 : 136,507.43 = 53,597.77 : x
  2. Step 2: Convert to fraction form
    98,918.56/136,507.43 = 53,597.77/x
  3. Step 3: Cross multiply
    98,918.56x = 136,507.43 × 53,597.77
  4. Step 4: Simplify right side
    98,918.56x = 7,316,493,568.44
  5. Step 5: Solve for x
    x = 7,316,493,568.44/98,918.56
  6. Step 6: Final answer
    x = 73,964.82

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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.