Home / 74,330.67-102,577.08-40,339.46

Finding the Fourth Proportional to 74,330.67, 102,577.08 and 40,339.46

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Solution

The fourth proportional to 74,330.67, 102,577.08 and 40,339.46 is: 55,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.67 : 102,577.08 = 40,339.46 : x
  2. Step 2: Convert to fraction form
    74,330.67/102,577.08 = 40,339.46/x
  3. Step 3: Cross multiply
    74,330.67x = 102,577.08 × 40,339.46
  4. Step 4: Simplify right side
    74,330.67x = 4,137,903,846.30
  5. Step 5: Solve for x
    x = 4,137,903,846.30/74,330.67
  6. Step 6: Final answer
    x = 55,668.86

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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.