Home / 53,788.36-80,509.98-28,765.84

Finding the Fourth Proportional to 53,788.36, 80,509.98 and 28,765.84

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Solution

The fourth proportional to 53,788.36, 80,509.98 and 28,765.84 is: 43,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788.36 : 80,509.98 = 28,765.84 : x
  2. Step 2: Convert to fraction form
    53,788.36/80,509.98 = 28,765.84/x
  3. Step 3: Cross multiply
    53,788.36x = 80,509.98 × 28,765.84
  4. Step 4: Simplify right side
    53,788.36x = 2,315,937,203.08
  5. Step 5: Solve for x
    x = 2,315,937,203.08/53,788.36
  6. Step 6: Final answer
    x = 43,056.48

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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.