Home / 104,890.40-157,335.60-60,603.65

Finding the Fourth Proportional to 104,890.40, 157,335.60 and 60,603.65

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Solution

The fourth proportional to 104,890.40, 157,335.60 and 60,603.65 is: 90,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,890.40 : 157,335.60 = 60,603.65 : x
  2. Step 2: Convert to fraction form
    104,890.40/157,335.60 = 60,603.65/x
  3. Step 3: Cross multiply
    104,890.40x = 157,335.60 × 60,603.65
  4. Step 4: Simplify right side
    104,890.40x = 9,535,111,634.94
  5. Step 5: Solve for x
    x = 9,535,111,634.94/104,890.40
  6. Step 6: Final answer
    x = 90,905.48

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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.