Home / 74,030.63-102,164.69-40,496.63

Finding the Fourth Proportional to 74,030.63, 102,164.69 and 40,496.63

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Solution

The fourth proportional to 74,030.63, 102,164.69 and 40,496.63 is: 55,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,030.63 : 102,164.69 = 40,496.63 : x
  2. Step 2: Convert to fraction form
    74,030.63/102,164.69 = 40,496.63/x
  3. Step 3: Cross multiply
    74,030.63x = 102,164.69 × 40,496.63
  4. Step 4: Simplify right side
    74,030.63x = 4,137,325,240.41
  5. Step 5: Solve for x
    x = 4,137,325,240.41/74,030.63
  6. Step 6: Final answer
    x = 55,886.67

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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.