Home / 54,860.61-82,290.93-13,307.25

Finding the Fourth Proportional to 54,860.61, 82,290.93 and 13,307.25

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Solution

The fourth proportional to 54,860.61, 82,290.93 and 13,307.25 is: 19,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.61 : 82,290.93 = 13,307.25 : x
  2. Step 2: Convert to fraction form
    54,860.61/82,290.93 = 13,307.25/x
  3. Step 3: Cross multiply
    54,860.61x = 82,290.93 × 13,307.25
  4. Step 4: Simplify right side
    54,860.61x = 1,095,065,978.24
  5. Step 5: Solve for x
    x = 1,095,065,978.24/54,860.61
  6. Step 6: Final answer
    x = 19,960.88

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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.