Home / 74,860.08-112,257.36-28,080.24

Finding the Fourth Proportional to 74,860.08, 112,257.36 and 28,080.24

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Solution

The fourth proportional to 74,860.08, 112,257.36 and 28,080.24 is: 42,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860.08 : 112,257.36 = 28,080.24 : x
  2. Step 2: Convert to fraction form
    74,860.08/112,257.36 = 28,080.24/x
  3. Step 3: Cross multiply
    74,860.08x = 112,257.36 × 28,080.24
  4. Step 4: Simplify right side
    74,860.08x = 3,152,213,610.57
  5. Step 5: Solve for x
    x = 3,152,213,610.57/74,860.08
  6. Step 6: Final answer
    x = 42,108.07

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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.