Home / 98,682.09-136,181.37-53,360.04

Finding the Fourth Proportional to 98,682.09, 136,181.37 and 53,360.04

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Solution

The fourth proportional to 98,682.09, 136,181.37 and 53,360.04 is: 73,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,682.09 : 136,181.37 = 53,360.04 : x
  2. Step 2: Convert to fraction form
    98,682.09/136,181.37 = 53,360.04/x
  3. Step 3: Cross multiply
    98,682.09x = 136,181.37 × 53,360.04
  4. Step 4: Simplify right side
    98,682.09x = 7,266,643,350.45
  5. Step 5: Solve for x
    x = 7,266,643,350.45/98,682.09
  6. Step 6: Final answer
    x = 73,636.90

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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.