Home / 65,184.21-89,963.06-38,342.43

Finding the Fourth Proportional to 65,184.21, 89,963.06 and 38,342.43

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Solution

The fourth proportional to 65,184.21, 89,963.06 and 38,342.43 is: 52,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.21 : 89,963.06 = 38,342.43 : x
  2. Step 2: Convert to fraction form
    65,184.21/89,963.06 = 38,342.43/x
  3. Step 3: Cross multiply
    65,184.21x = 89,963.06 × 38,342.43
  4. Step 4: Simplify right side
    65,184.21x = 3,449,402,138.92
  5. Step 5: Solve for x
    x = 3,449,402,138.92/65,184.21
  6. Step 6: Final answer
    x = 52,917.76

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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.