Home / 74,584.88-102,928.27-40,594.71

Finding the Fourth Proportional to 74,584.88, 102,928.27 and 40,594.71

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Solution

The fourth proportional to 74,584.88, 102,928.27 and 40,594.71 is: 56,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,584.88 : 102,928.27 = 40,594.71 : x
  2. Step 2: Convert to fraction form
    74,584.88/102,928.27 = 40,594.71/x
  3. Step 3: Cross multiply
    74,584.88x = 102,928.27 × 40,594.71
  4. Step 4: Simplify right side
    74,584.88x = 4,178,343,271.45
  5. Step 5: Solve for x
    x = 4,178,343,271.45/74,584.88
  6. Step 6: Final answer
    x = 56,021.32

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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.