Home / 53,766.36-80,662.77-18,706.32

Finding the Fourth Proportional to 53,766.36, 80,662.77 and 18,706.32

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Solution

The fourth proportional to 53,766.36, 80,662.77 and 18,706.32 is: 28,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,766.36 : 80,662.77 = 18,706.32 : x
  2. Step 2: Convert to fraction form
    53,766.36/80,662.77 = 18,706.32/x
  3. Step 3: Cross multiply
    53,766.36x = 80,662.77 × 18,706.32
  4. Step 4: Simplify right side
    53,766.36x = 1,508,903,587.71
  5. Step 5: Solve for x
    x = 1,508,903,587.71/53,766.36
  6. Step 6: Final answer
    x = 28,064.08

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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.