Home / 98,843.06-136,403.40-53,521.04

Finding the Fourth Proportional to 98,843.06, 136,403.40 and 53,521.04

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Solution

The fourth proportional to 98,843.06, 136,403.40 and 53,521.04 is: 73,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,843.06 : 136,403.40 = 53,521.04 : x
  2. Step 2: Convert to fraction form
    98,843.06/136,403.40 = 53,521.04/x
  3. Step 3: Cross multiply
    98,843.06x = 136,403.40 × 53,521.04
  4. Step 4: Simplify right side
    98,843.06x = 7,300,451,827.54
  5. Step 5: Solve for x
    x = 7,300,451,827.54/98,843.06
  6. Step 6: Final answer
    x = 73,859.02

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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.