Home / 104,860.28-157,315.26-45,706.52

Finding the Fourth Proportional to 104,860.28, 157,315.26 and 45,706.52

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Solution

The fourth proportional to 104,860.28, 157,315.26 and 45,706.52 is: 68,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,860.28 : 157,315.26 = 45,706.52 : x
  2. Step 2: Convert to fraction form
    104,860.28/157,315.26 = 45,706.52/x
  3. Step 3: Cross multiply
    104,860.28x = 157,315.26 × 45,706.52
  4. Step 4: Simplify right side
    104,860.28x = 7,190,333,077.50
  5. Step 5: Solve for x
    x = 7,190,333,077.50/104,860.28
  6. Step 6: Final answer
    x = 68,570.61

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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.