Home / 65,897.36-98,855.68-19,144.16

Finding the Fourth Proportional to 65,897.36, 98,855.68 and 19,144.16

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Solution

The fourth proportional to 65,897.36, 98,855.68 and 19,144.16 is: 28,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,897.36 : 98,855.68 = 19,144.16 : x
  2. Step 2: Convert to fraction form
    65,897.36/98,855.68 = 19,144.16/x
  3. Step 3: Cross multiply
    65,897.36x = 98,855.68 × 19,144.16
  4. Step 4: Simplify right side
    65,897.36x = 1,892,508,954.83
  5. Step 5: Solve for x
    x = 1,892,508,954.83/65,897.36
  6. Step 6: Final answer
    x = 28,719.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.