Home / 53,643.61-80,465.48-18,583.26

Finding the Fourth Proportional to 53,643.61, 80,465.48 and 18,583.26

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Solution

The fourth proportional to 53,643.61, 80,465.48 and 18,583.26 is: 27,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.61 : 80,465.48 = 18,583.26 : x
  2. Step 2: Convert to fraction form
    53,643.61/80,465.48 = 18,583.26/x
  3. Step 3: Cross multiply
    53,643.61x = 80,465.48 × 18,583.26
  4. Step 4: Simplify right side
    53,643.61x = 1,495,310,935.86
  5. Step 5: Solve for x
    x = 1,495,310,935.86/53,643.61
  6. Step 6: Final answer
    x = 27,874.91

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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.