Home / 79,037.36-118,556.14-19,873.03

Finding the Fourth Proportional to 79,037.36, 118,556.14 and 19,873.03

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Solution

The fourth proportional to 79,037.36, 118,556.14 and 19,873.03 is: 29,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.36 : 118,556.14 = 19,873.03 : x
  2. Step 2: Convert to fraction form
    79,037.36/118,556.14 = 19,873.03/x
  3. Step 3: Cross multiply
    79,037.36x = 118,556.14 × 19,873.03
  4. Step 4: Simplify right side
    79,037.36x = 2,356,069,726.90
  5. Step 5: Solve for x
    x = 2,356,069,726.90/79,037.36
  6. Step 6: Final answer
    x = 29,809.57

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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.