Home / 74,779.78-111,906.36-46,713.06

Finding the Fourth Proportional to 74,779.78, 111,906.36 and 46,713.06

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Solution

The fourth proportional to 74,779.78, 111,906.36 and 46,713.06 is: 69,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,779.78 : 111,906.36 = 46,713.06 : x
  2. Step 2: Convert to fraction form
    74,779.78/111,906.36 = 46,713.06/x
  3. Step 3: Cross multiply
    74,779.78x = 111,906.36 × 46,713.06
  4. Step 4: Simplify right side
    74,779.78x = 5,227,488,509.06
  5. Step 5: Solve for x
    x = 5,227,488,509.06/74,779.78
  6. Step 6: Final answer
    x = 69,905.11

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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.