Home / 124,564.60-186,825.30-45,638.20

Finding the Fourth Proportional to 124,564.60, 186,825.30 and 45,638.20

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Solution

The fourth proportional to 124,564.60, 186,825.30 and 45,638.20 is: 68,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,564.60 : 186,825.30 = 45,638.20 : x
  2. Step 2: Convert to fraction form
    124,564.60/186,825.30 = 45,638.20/x
  3. Step 3: Cross multiply
    124,564.60x = 186,825.30 × 45,638.20
  4. Step 4: Simplify right side
    124,564.60x = 8,526,370,406.46
  5. Step 5: Solve for x
    x = 8,526,370,406.46/124,564.60
  6. Step 6: Final answer
    x = 68,449.39

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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.