Home / 74,273.48-111,428.67-36,851.12

Finding the Fourth Proportional to 74,273.48, 111,428.67 and 36,851.12

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Solution

The fourth proportional to 74,273.48, 111,428.67 and 36,851.12 is: 55,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.48 : 111,428.67 = 36,851.12 : x
  2. Step 2: Convert to fraction form
    74,273.48/111,428.67 = 36,851.12/x
  3. Step 3: Cross multiply
    74,273.48x = 111,428.67 × 36,851.12
  4. Step 4: Simplify right side
    74,273.48x = 4,106,271,289.61
  5. Step 5: Solve for x
    x = 4,106,271,289.61/74,273.48
  6. Step 6: Final answer
    x = 55,285.83

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1.5x scale

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.