Home / 74,259.16-111,414.28-21,676.40

Finding the Fourth Proportional to 74,259.16, 111,414.28 and 21,676.40

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Solution

The fourth proportional to 74,259.16, 111,414.28 and 21,676.40 is: 32,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,259.16 : 111,414.28 = 21,676.40 : x
  2. Step 2: Convert to fraction form
    74,259.16/111,414.28 = 21,676.40/x
  3. Step 3: Cross multiply
    74,259.16x = 111,414.28 × 21,676.40
  4. Step 4: Simplify right side
    74,259.16x = 2,415,060,498.99
  5. Step 5: Solve for x
    x = 2,415,060,498.99/74,259.16
  6. Step 6: Final answer
    x = 32,522.06

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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.