Home / 98,683.16-136,183.54-54,482.15

Finding the Fourth Proportional to 98,683.16, 136,183.54 and 54,482.15

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Solution

The fourth proportional to 98,683.16, 136,183.54 and 54,482.15 is: 75,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,683.16 : 136,183.54 = 54,482.15 : x
  2. Step 2: Convert to fraction form
    98,683.16/136,183.54 = 54,482.15/x
  3. Step 3: Cross multiply
    98,683.16x = 136,183.54 × 54,482.15
  4. Step 4: Simplify right side
    98,683.16x = 7,419,572,258.06
  5. Step 5: Solve for x
    x = 7,419,572,258.06/98,683.16
  6. Step 6: Final answer
    x = 75,185.80

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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.