Home / 105,385.18-158,077.77-43,055.68

Finding the Fourth Proportional to 105,385.18, 158,077.77 and 43,055.68

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Solution

The fourth proportional to 105,385.18, 158,077.77 and 43,055.68 is: 64,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,385.18 : 158,077.77 = 43,055.68 : x
  2. Step 2: Convert to fraction form
    105,385.18/158,077.77 = 43,055.68/x
  3. Step 3: Cross multiply
    105,385.18x = 158,077.77 × 43,055.68
  4. Step 4: Simplify right side
    105,385.18x = 6,806,145,880.23
  5. Step 5: Solve for x
    x = 6,806,145,880.23/105,385.18
  6. Step 6: Final answer
    x = 64,583.52

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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.