Home / 53,587.16-80,372.88-14,147.06

Finding the Fourth Proportional to 53,587.16, 80,372.88 and 14,147.06

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Solution

The fourth proportional to 53,587.16, 80,372.88 and 14,147.06 is: 21,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587.16 : 80,372.88 = 14,147.06 : x
  2. Step 2: Convert to fraction form
    53,587.16/80,372.88 = 14,147.06/x
  3. Step 3: Cross multiply
    53,587.16x = 80,372.88 × 14,147.06
  4. Step 4: Simplify right side
    53,587.16x = 1,137,039,955.73
  5. Step 5: Solve for x
    x = 1,137,039,955.73/53,587.16
  6. Step 6: Final answer
    x = 21,218.51

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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.