Home / 98,922.35-136,519.53-55,886.90

Finding the Fourth Proportional to 98,922.35, 136,519.53 and 55,886.90

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Solution

The fourth proportional to 98,922.35, 136,519.53 and 55,886.90 is: 77,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,922.35 : 136,519.53 = 55,886.90 : x
  2. Step 2: Convert to fraction form
    98,922.35/136,519.53 = 55,886.90/x
  3. Step 3: Cross multiply
    98,922.35x = 136,519.53 × 55,886.90
  4. Step 4: Simplify right side
    98,922.35x = 7,629,653,321.16
  5. Step 5: Solve for x
    x = 7,629,653,321.16/98,922.35
  6. Step 6: Final answer
    x = 77,127.70

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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.