Home / 98,734.71-136,253.27-53,412.51

Finding the Fourth Proportional to 98,734.71, 136,253.27 and 53,412.51

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Solution

The fourth proportional to 98,734.71, 136,253.27 and 53,412.51 is: 73,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,734.71 : 136,253.27 = 53,412.51 : x
  2. Step 2: Convert to fraction form
    98,734.71/136,253.27 = 53,412.51/x
  3. Step 3: Cross multiply
    98,734.71x = 136,253.27 × 53,412.51
  4. Step 4: Simplify right side
    98,734.71x = 7,277,628,879.35
  5. Step 5: Solve for x
    x = 7,277,628,879.35/98,734.71
  6. Step 6: Final answer
    x = 73,708.92

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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.