Home / 84,954.16-127,434.48-43,352.56

Finding the Fourth Proportional to 84,954.16, 127,434.48 and 43,352.56

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Solution

The fourth proportional to 84,954.16, 127,434.48 and 43,352.56 is: 65,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.16 : 127,434.48 = 43,352.56 : x
  2. Step 2: Convert to fraction form
    84,954.16/127,434.48 = 43,352.56/x
  3. Step 3: Cross multiply
    84,954.16x = 127,434.48 × 43,352.56
  4. Step 4: Simplify right side
    84,954.16x = 5,524,610,940.27
  5. Step 5: Solve for x
    x = 5,524,610,940.27/84,954.16
  6. Step 6: Final answer
    x = 65,030.49

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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.