Home / 89,947.79-134,897.07-33,783.56

Finding the Fourth Proportional to 89,947.79, 134,897.07 and 33,783.56

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Solution

The fourth proportional to 89,947.79, 134,897.07 and 33,783.56 is: 50,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947.79 : 134,897.07 = 33,783.56 : x
  2. Step 2: Convert to fraction form
    89,947.79/134,897.07 = 33,783.56/x
  3. Step 3: Cross multiply
    89,947.79x = 134,897.07 × 33,783.56
  4. Step 4: Simplify right side
    89,947.79x = 4,557,303,258.17
  5. Step 5: Solve for x
    x = 4,557,303,258.17/89,947.79
  6. Step 6: Final answer
    x = 50,666.09

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1.5x scale

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.