Home / 77,140.14-106,451.96-43,606.14

Finding the Fourth Proportional to 77,140.14, 106,451.96 and 43,606.14

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Solution

The fourth proportional to 77,140.14, 106,451.96 and 43,606.14 is: 60,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,140.14 : 106,451.96 = 43,606.14 : x
  2. Step 2: Convert to fraction form
    77,140.14/106,451.96 = 43,606.14/x
  3. Step 3: Cross multiply
    77,140.14x = 106,451.96 × 43,606.14
  4. Step 4: Simplify right side
    77,140.14x = 4,641,959,071.03
  5. Step 5: Solve for x
    x = 4,641,959,071.03/77,140.14
  6. Step 6: Final answer
    x = 60,175.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.