Home / 98,738.43-136,258.47-53,416.26

Finding the Fourth Proportional to 98,738.43, 136,258.47 and 53,416.26

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Solution

The fourth proportional to 98,738.43, 136,258.47 and 53,416.26 is: 73,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,738.43 : 136,258.47 = 53,416.26 : x
  2. Step 2: Convert to fraction form
    98,738.43/136,258.47 = 53,416.26/x
  3. Step 3: Cross multiply
    98,738.43x = 136,258.47 × 53,416.26
  4. Step 4: Simplify right side
    98,738.43x = 7,278,417,860.72
  5. Step 5: Solve for x
    x = 7,278,417,860.72/98,738.43
  6. Step 6: Final answer
    x = 73,714.13

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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.