Home / 94,678.98-130,663.40-54,408.80

Finding the Fourth Proportional to 94,678.98, 130,663.40 and 54,408.80

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Solution

The fourth proportional to 94,678.98, 130,663.40 and 54,408.80 is: 75,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,678.98 : 130,663.40 = 54,408.80 : x
  2. Step 2: Convert to fraction form
    94,678.98/130,663.40 = 54,408.80/x
  3. Step 3: Cross multiply
    94,678.98x = 130,663.40 × 54,408.80
  4. Step 4: Simplify right side
    94,678.98x = 7,109,237,872.56
  5. Step 5: Solve for x
    x = 7,109,237,872.56/94,678.98
  6. Step 6: Final answer
    x = 75,087.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.