Home / 67,938.40-93,760.92-37,729.60

Finding the Fourth Proportional to 67,938.40, 93,760.92 and 37,729.60

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Solution

The fourth proportional to 67,938.40, 93,760.92 and 37,729.60 is: 52,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,938.40 : 93,760.92 = 37,729.60 : x
  2. Step 2: Convert to fraction form
    67,938.40/93,760.92 = 37,729.60/x
  3. Step 3: Cross multiply
    67,938.40x = 93,760.92 × 37,729.60
  4. Step 4: Simplify right side
    67,938.40x = 3,537,562,007.23
  5. Step 5: Solve for x
    x = 3,537,562,007.23/67,938.40
  6. Step 6: Final answer
    x = 52,070.14

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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.