Home / 82,641.36-123,970.24-26,467.36

Finding the Fourth Proportional to 82,641.36, 123,970.24 and 26,467.36

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Solution

The fourth proportional to 82,641.36, 123,970.24 and 26,467.36 is: 39,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,641.36 : 123,970.24 = 26,467.36 : x
  2. Step 2: Convert to fraction form
    82,641.36/123,970.24 = 26,467.36/x
  3. Step 3: Cross multiply
    82,641.36x = 123,970.24 × 26,467.36
  4. Step 4: Simplify right side
    82,641.36x = 3,281,164,971.37
  5. Step 5: Solve for x
    x = 3,281,164,971.37/82,641.36
  6. Step 6: Final answer
    x = 39,703.67

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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.