Home / 74,775.29-111,899.46-46,708.56

Finding the Fourth Proportional to 74,775.29, 111,899.46 and 46,708.56

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Solution

The fourth proportional to 74,775.29, 111,899.46 and 46,708.56 is: 69,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775.29 : 111,899.46 = 46,708.56 : x
  2. Step 2: Convert to fraction form
    74,775.29/111,899.46 = 46,708.56/x
  3. Step 3: Cross multiply
    74,775.29x = 111,899.46 × 46,708.56
  4. Step 4: Simplify right side
    74,775.29x = 5,226,661,848.34
  5. Step 5: Solve for x
    x = 5,226,661,848.34/74,775.29
  6. Step 6: Final answer
    x = 69,898.25

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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.