Home / 64,193.31-96,312.77-28,651.41

Finding the Fourth Proportional to 64,193.31, 96,312.77 and 28,651.41

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Solution

The fourth proportional to 64,193.31, 96,312.77 and 28,651.41 is: 42,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,193.31 : 96,312.77 = 28,651.41 : x
  2. Step 2: Convert to fraction form
    64,193.31/96,312.77 = 28,651.41/x
  3. Step 3: Cross multiply
    64,193.31x = 96,312.77 × 28,651.41
  4. Step 4: Simplify right side
    64,193.31x = 2,759,496,518.25
  5. Step 5: Solve for x
    x = 2,759,496,518.25/64,193.31
  6. Step 6: Final answer
    x = 42,987.29

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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.