Home / 98,935.36-136,530.48-53,613.52

Finding the Fourth Proportional to 98,935.36, 136,530.48 and 53,613.52

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Solution

The fourth proportional to 98,935.36, 136,530.48 and 53,613.52 is: 73,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.36 : 136,530.48 = 53,613.52 : x
  2. Step 2: Convert to fraction form
    98,935.36/136,530.48 = 53,613.52/x
  3. Step 3: Cross multiply
    98,935.36x = 136,530.48 × 53,613.52
  4. Step 4: Simplify right side
    98,935.36x = 7,319,879,620.09
  5. Step 5: Solve for x
    x = 7,319,879,620.09/98,935.36
  6. Step 6: Final answer
    x = 73,986.49

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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.