Home / 98,863.03-136,402.41-55,840.24

Finding the Fourth Proportional to 98,863.03, 136,402.41 and 55,840.24

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Solution

The fourth proportional to 98,863.03, 136,402.41 and 55,840.24 is: 77,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,863.03 : 136,402.41 = 55,840.24 : x
  2. Step 2: Convert to fraction form
    98,863.03/136,402.41 = 55,840.24/x
  3. Step 3: Cross multiply
    98,863.03x = 136,402.41 × 55,840.24
  4. Step 4: Simplify right side
    98,863.03x = 7,616,743,310.98
  5. Step 5: Solve for x
    x = 7,616,743,310.98/98,863.03
  6. Step 6: Final answer
    x = 77,043.39

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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.