Home / 74,852.06-112,262.73-28,103.90

Finding the Fourth Proportional to 74,852.06, 112,262.73 and 28,103.90

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Solution

The fourth proportional to 74,852.06, 112,262.73 and 28,103.90 is: 42,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,852.06 : 112,262.73 = 28,103.90 : x
  2. Step 2: Convert to fraction form
    74,852.06/112,262.73 = 28,103.90/x
  3. Step 3: Cross multiply
    74,852.06x = 112,262.73 × 28,103.90
  4. Step 4: Simplify right side
    74,852.06x = 3,155,020,537.65
  5. Step 5: Solve for x
    x = 3,155,020,537.65/74,852.06
  6. Step 6: Final answer
    x = 42,150.08

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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.