Home / 61,261.90-91,897.47-16,888.28

Finding the Fourth Proportional to 61,261.90, 91,897.47 and 16,888.28

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Solution

The fourth proportional to 61,261.90, 91,897.47 and 16,888.28 is: 25,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261.90 : 91,897.47 = 16,888.28 : x
  2. Step 2: Convert to fraction form
    61,261.90/91,897.47 = 16,888.28/x
  3. Step 3: Cross multiply
    61,261.90x = 91,897.47 × 16,888.28
  4. Step 4: Simplify right side
    61,261.90x = 1,551,990,262.09
  5. Step 5: Solve for x
    x = 1,551,990,262.09/61,261.90
  6. Step 6: Final answer
    x = 25,333.69

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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.