Home / 77,338.23-106,735.59-43,355.88

Finding the Fourth Proportional to 77,338.23, 106,735.59 and 43,355.88

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Solution

The fourth proportional to 77,338.23, 106,735.59 and 43,355.88 is: 59,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.23 : 106,735.59 = 43,355.88 : x
  2. Step 2: Convert to fraction form
    77,338.23/106,735.59 = 43,355.88/x
  3. Step 3: Cross multiply
    77,338.23x = 106,735.59 × 43,355.88
  4. Step 4: Simplify right side
    77,338.23x = 4,627,615,431.77
  5. Step 5: Solve for x
    x = 4,627,615,431.77/77,338.23
  6. Step 6: Final answer
    x = 59,836.07

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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.