Home / 98,918.66-136,507.92-53,596.64

Finding the Fourth Proportional to 98,918.66, 136,507.92 and 53,596.64

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Solution

The fourth proportional to 98,918.66, 136,507.92 and 53,596.64 is: 73,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,918.66 : 136,507.92 = 53,596.64 : x
  2. Step 2: Convert to fraction form
    98,918.66/136,507.92 = 53,596.64/x
  3. Step 3: Cross multiply
    98,918.66x = 136,507.92 × 53,596.64
  4. Step 4: Simplify right side
    98,918.66x = 7,316,365,845.39
  5. Step 5: Solve for x
    x = 7,316,365,845.39/98,918.66
  6. Step 6: Final answer
    x = 73,963.45

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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.