Home / 69,765.76-104,714.40-25,435.36

Finding the Fourth Proportional to 69,765.76, 104,714.40 and 25,435.36

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Solution

The fourth proportional to 69,765.76, 104,714.40 and 25,435.36 is: 38,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,765.76 : 104,714.40 = 25,435.36 : x
  2. Step 2: Convert to fraction form
    69,765.76/104,714.40 = 25,435.36/x
  3. Step 3: Cross multiply
    69,765.76x = 104,714.40 × 25,435.36
  4. Step 4: Simplify right side
    69,765.76x = 2,663,448,461.18
  5. Step 5: Solve for x
    x = 2,663,448,461.18/69,765.76
  6. Step 6: Final answer
    x = 38,177.01

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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.