Home / 74,254.70-111,354.63-32,140.91

Finding the Fourth Proportional to 74,254.70, 111,354.63 and 32,140.91

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Solution

The fourth proportional to 74,254.70, 111,354.63 and 32,140.91 is: 48,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.70 : 111,354.63 = 32,140.91 : x
  2. Step 2: Convert to fraction form
    74,254.70/111,354.63 = 32,140.91/x
  3. Step 3: Cross multiply
    74,254.70x = 111,354.63 × 32,140.91
  4. Step 4: Simplify right side
    74,254.70x = 3,579,038,584.14
  5. Step 5: Solve for x
    x = 3,579,038,584.14/74,254.70
  6. Step 6: Final answer
    x = 48,199.49

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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.