Home / 71,370.12-106,982.28-46,460.19

Finding the Fourth Proportional to 71,370.12, 106,982.28 and 46,460.19

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Solution

The fourth proportional to 71,370.12, 106,982.28 and 46,460.19 is: 69,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.12 : 106,982.28 = 46,460.19 : x
  2. Step 2: Convert to fraction form
    71,370.12/106,982.28 = 46,460.19/x
  3. Step 3: Cross multiply
    71,370.12x = 106,982.28 × 46,460.19
  4. Step 4: Simplify right side
    71,370.12x = 4,970,417,055.43
  5. Step 5: Solve for x
    x = 4,970,417,055.43/71,370.12
  6. Step 6: Final answer
    x = 69,642.83

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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.