Home / 53,880.53-80,830.35-18,340.04

Finding the Fourth Proportional to 53,880.53, 80,830.35 and 18,340.04

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Solution

The fourth proportional to 53,880.53, 80,830.35 and 18,340.04 is: 27,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.53 : 80,830.35 = 18,340.04 : x
  2. Step 2: Convert to fraction form
    53,880.53/80,830.35 = 18,340.04/x
  3. Step 3: Cross multiply
    53,880.53x = 80,830.35 × 18,340.04
  4. Step 4: Simplify right side
    53,880.53x = 1,482,432,054.29
  5. Step 5: Solve for x
    x = 1,482,432,054.29/53,880.53
  6. Step 6: Final answer
    x = 27,513.32

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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.