Home / 70,522.08-105,785.64-23,775.36

Finding the Fourth Proportional to 70,522.08, 105,785.64 and 23,775.36

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Solution

The fourth proportional to 70,522.08, 105,785.64 and 23,775.36 is: 35,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,522.08 : 105,785.64 = 23,775.36 : x
  2. Step 2: Convert to fraction form
    70,522.08/105,785.64 = 23,775.36/x
  3. Step 3: Cross multiply
    70,522.08x = 105,785.64 × 23,775.36
  4. Step 4: Simplify right side
    70,522.08x = 2,515,091,673.83
  5. Step 5: Solve for x
    x = 2,515,091,673.83/70,522.08
  6. Step 6: Final answer
    x = 35,663.89

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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.