Home / 124,495.20-186,742.80-31,000.95

Finding the Fourth Proportional to 124,495.20, 186,742.80 and 31,000.95

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Solution

The fourth proportional to 124,495.20, 186,742.80 and 31,000.95 is: 46,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495.20 : 186,742.80 = 31,000.95 : x
  2. Step 2: Convert to fraction form
    124,495.20/186,742.80 = 31,000.95/x
  3. Step 3: Cross multiply
    124,495.20x = 186,742.80 × 31,000.95
  4. Step 4: Simplify right side
    124,495.20x = 5,789,204,205.66
  5. Step 5: Solve for x
    x = 5,789,204,205.66/124,495.20
  6. Step 6: Final answer
    x = 46,501.43

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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.