Home / 104,913.66-157,453.41-45,790.86

Finding the Fourth Proportional to 104,913.66, 157,453.41 and 45,790.86

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Solution

The fourth proportional to 104,913.66, 157,453.41 and 45,790.86 is: 68,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.66 : 157,453.41 = 45,790.86 : x
  2. Step 2: Convert to fraction form
    104,913.66/157,453.41 = 45,790.86/x
  3. Step 3: Cross multiply
    104,913.66x = 157,453.41 × 45,790.86
  4. Step 4: Simplify right side
    104,913.66x = 7,209,927,053.83
  5. Step 5: Solve for x
    x = 7,209,927,053.83/104,913.66
  6. Step 6: Final answer
    x = 68,722.48

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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.