Home / 74,970.56-112,467.36-25,035.20

Finding the Fourth Proportional to 74,970.56, 112,467.36 and 25,035.20

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Solution

The fourth proportional to 74,970.56, 112,467.36 and 25,035.20 is: 37,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,970.56 : 112,467.36 = 25,035.20 : x
  2. Step 2: Convert to fraction form
    74,970.56/112,467.36 = 25,035.20/x
  3. Step 3: Cross multiply
    74,970.56x = 112,467.36 × 25,035.20
  4. Step 4: Simplify right side
    74,970.56x = 2,815,642,851.07
  5. Step 5: Solve for x
    x = 2,815,642,851.07/74,970.56
  6. Step 6: Final answer
    x = 37,556.65

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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.