Home / 74,260.40-111,341.40-40,996.40

Finding the Fourth Proportional to 74,260.40, 111,341.40 and 40,996.40

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Solution

The fourth proportional to 74,260.40, 111,341.40 and 40,996.40 is: 61,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.40 : 111,341.40 = 40,996.40 : x
  2. Step 2: Convert to fraction form
    74,260.40/111,341.40 = 40,996.40/x
  3. Step 3: Cross multiply
    74,260.40x = 111,341.40 × 40,996.40
  4. Step 4: Simplify right side
    74,260.40x = 4,564,596,570.96
  5. Step 5: Solve for x
    x = 4,564,596,570.96/74,260.40
  6. Step 6: Final answer
    x = 61,467.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.