Home / 53,612.48-80,336.71-28,656.08

Finding the Fourth Proportional to 53,612.48, 80,336.71 and 28,656.08

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Solution

The fourth proportional to 53,612.48, 80,336.71 and 28,656.08 is: 42,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.48 : 80,336.71 = 28,656.08 : x
  2. Step 2: Convert to fraction form
    53,612.48/80,336.71 = 28,656.08/x
  3. Step 3: Cross multiply
    53,612.48x = 80,336.71 × 28,656.08
  4. Step 4: Simplify right side
    53,612.48x = 2,302,135,124.10
  5. Step 5: Solve for x
    x = 2,302,135,124.10/53,612.48
  6. Step 6: Final answer
    x = 42,940.28

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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.