Home / 105,087.78-157,627.26-48,908.57

Finding the Fourth Proportional to 105,087.78, 157,627.26 and 48,908.57

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Solution

The fourth proportional to 105,087.78, 157,627.26 and 48,908.57 is: 73,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.78 : 157,627.26 = 48,908.57 : x
  2. Step 2: Convert to fraction form
    105,087.78/157,627.26 = 48,908.57/x
  3. Step 3: Cross multiply
    105,087.78x = 157,627.26 × 48,908.57
  4. Step 4: Simplify right side
    105,087.78x = 7,709,323,091.48
  5. Step 5: Solve for x
    x = 7,709,323,091.48/105,087.78
  6. Step 6: Final answer
    x = 73,360.80

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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.