Home / 98,738.39-136,258.40-53,416.06

Finding the Fourth Proportional to 98,738.39, 136,258.40 and 53,416.06

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Solution

The fourth proportional to 98,738.39, 136,258.40 and 53,416.06 is: 73,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,738.39 : 136,258.40 = 53,416.06 : x
  2. Step 2: Convert to fraction form
    98,738.39/136,258.40 = 53,416.06/x
  3. Step 3: Cross multiply
    98,738.39x = 136,258.40 × 53,416.06
  4. Step 4: Simplify right side
    98,738.39x = 7,278,386,662.80
  5. Step 5: Solve for x
    x = 7,278,386,662.80/98,738.39
  6. Step 6: Final answer
    x = 73,713.85

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1.5x scale

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.