Home / 104,976.46-157,417.30-30,079.45

Finding the Fourth Proportional to 104,976.46, 157,417.30 and 30,079.45

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Solution

The fourth proportional to 104,976.46, 157,417.30 and 30,079.45 is: 45,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.46 : 157,417.30 = 30,079.45 : x
  2. Step 2: Convert to fraction form
    104,976.46/157,417.30 = 30,079.45/x
  3. Step 3: Cross multiply
    104,976.46x = 157,417.30 × 30,079.45
  4. Step 4: Simplify right side
    104,976.46x = 4,735,025,804.49
  5. Step 5: Solve for x
    x = 4,735,025,804.49/104,976.46
  6. Step 6: Final answer
    x = 45,105.60

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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.