Home / 75,271.36-112,896.05-21,949.01

Finding the Fourth Proportional to 75,271.36, 112,896.05 and 21,949.01

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Solution

The fourth proportional to 75,271.36, 112,896.05 and 21,949.01 is: 32,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.36 : 112,896.05 = 21,949.01 : x
  2. Step 2: Convert to fraction form
    75,271.36/112,896.05 = 21,949.01/x
  3. Step 3: Cross multiply
    75,271.36x = 112,896.05 × 21,949.01
  4. Step 4: Simplify right side
    75,271.36x = 2,477,956,941.02
  5. Step 5: Solve for x
    x = 2,477,956,941.02/75,271.36
  6. Step 6: Final answer
    x = 32,920.32

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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.