Home / 65,922.58-91,015.05-43,301.71

Finding the Fourth Proportional to 65,922.58, 91,015.05 and 43,301.71

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Solution

The fourth proportional to 65,922.58, 91,015.05 and 43,301.71 is: 59,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,922.58 : 91,015.05 = 43,301.71 : x
  2. Step 2: Convert to fraction form
    65,922.58/91,015.05 = 43,301.71/x
  3. Step 3: Cross multiply
    65,922.58x = 91,015.05 × 43,301.71
  4. Step 4: Simplify right side
    65,922.58x = 3,941,107,300.74
  5. Step 5: Solve for x
    x = 3,941,107,300.74/65,922.58
  6. Step 6: Final answer
    x = 59,783.88

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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.