Home / 98,736.92-136,256.81-53,414.80

Finding the Fourth Proportional to 98,736.92, 136,256.81 and 53,414.80

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Solution

The fourth proportional to 98,736.92, 136,256.81 and 53,414.80 is: 73,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736.92 : 136,256.81 = 53,414.80 : x
  2. Step 2: Convert to fraction form
    98,736.92/136,256.81 = 53,414.80/x
  3. Step 3: Cross multiply
    98,736.92x = 136,256.81 × 53,414.80
  4. Step 4: Simplify right side
    98,736.92x = 7,278,130,254.79
  5. Step 5: Solve for x
    x = 7,278,130,254.79/98,736.92
  6. Step 6: Final answer
    x = 73,712.35

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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.