Home / 74,975.93-103,469.56-40,986.67

Finding the Fourth Proportional to 74,975.93, 103,469.56 and 40,986.67

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Solution

The fourth proportional to 74,975.93, 103,469.56 and 40,986.67 is: 56,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.93 : 103,469.56 = 40,986.67 : x
  2. Step 2: Convert to fraction form
    74,975.93/103,469.56 = 40,986.67/x
  3. Step 3: Cross multiply
    74,975.93x = 103,469.56 × 40,986.67
  4. Step 4: Simplify right side
    74,975.93x = 4,240,872,710.77
  5. Step 5: Solve for x
    x = 4,240,872,710.77/74,975.93
  6. Step 6: Final answer
    x = 56,563.12

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1.5x scale

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.