Home / 70,622.20-105,866.04-26,218.52

Finding the Fourth Proportional to 70,622.20, 105,866.04 and 26,218.52

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Solution

The fourth proportional to 70,622.20, 105,866.04 and 26,218.52 is: 39,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,622.20 : 105,866.04 = 26,218.52 : x
  2. Step 2: Convert to fraction form
    70,622.20/105,866.04 = 26,218.52/x
  3. Step 3: Cross multiply
    70,622.20x = 105,866.04 × 26,218.52
  4. Step 4: Simplify right side
    70,622.20x = 2,775,650,887.06
  5. Step 5: Solve for x
    x = 2,775,650,887.06/70,622.20
  6. Step 6: Final answer
    x = 39,302.81

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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.