Home / 102,514.02-153,796.93-28,642.02

Finding the Fourth Proportional to 102,514.02, 153,796.93 and 28,642.02

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Solution

The fourth proportional to 102,514.02, 153,796.93 and 28,642.02 is: 42,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,514.02 : 153,796.93 = 28,642.02 : x
  2. Step 2: Convert to fraction form
    102,514.02/153,796.93 = 28,642.02/x
  3. Step 3: Cross multiply
    102,514.02x = 153,796.93 × 28,642.02
  4. Step 4: Simplify right side
    102,514.02x = 4,405,054,745.00
  5. Step 5: Solve for x
    x = 4,405,054,745.00/102,514.02
  6. Step 6: Final answer
    x = 42,970.27

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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.