Home / 94,747.24-142,092.36-78,065.92

Finding the Fourth Proportional to 94,747.24, 142,092.36 and 78,065.92

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Solution

The fourth proportional to 94,747.24, 142,092.36 and 78,065.92 is: 117,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.24 : 142,092.36 = 78,065.92 : x
  2. Step 2: Convert to fraction form
    94,747.24/142,092.36 = 78,065.92/x
  3. Step 3: Cross multiply
    94,747.24x = 142,092.36 × 78,065.92
  4. Step 4: Simplify right side
    94,747.24x = 11,092,570,808.37
  5. Step 5: Solve for x
    x = 11,092,570,808.37/94,747.24
  6. Step 6: Final answer
    x = 117,075.40

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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.