Home / 110,784.84-166,123.80-54,603.24

Finding the Fourth Proportional to 110,784.84, 166,123.80 and 54,603.24

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Solution

The fourth proportional to 110,784.84, 166,123.80 and 54,603.24 is: 81,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,784.84 : 166,123.80 = 54,603.24 : x
  2. Step 2: Convert to fraction form
    110,784.84/166,123.80 = 54,603.24/x
  3. Step 3: Cross multiply
    110,784.84x = 166,123.80 × 54,603.24
  4. Step 4: Simplify right side
    110,784.84x = 9,070,897,721.11
  5. Step 5: Solve for x
    x = 9,070,897,721.11/110,784.84
  6. Step 6: Final answer
    x = 81,878.51

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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.