Home / 98,758.09-136,286.07-55,746.63

Finding the Fourth Proportional to 98,758.09, 136,286.07 and 55,746.63

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Solution

The fourth proportional to 98,758.09, 136,286.07 and 55,746.63 is: 76,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,758.09 : 136,286.07 = 55,746.63 : x
  2. Step 2: Convert to fraction form
    98,758.09/136,286.07 = 55,746.63/x
  3. Step 3: Cross multiply
    98,758.09x = 136,286.07 × 55,746.63
  4. Step 4: Simplify right side
    98,758.09x = 7,597,489,459.16
  5. Step 5: Solve for x
    x = 7,597,489,459.16/98,758.09
  6. Step 6: Final answer
    x = 76,930.30

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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.