Home / 65,134.16-89,886.74-36,453.59

Finding the Fourth Proportional to 65,134.16, 89,886.74 and 36,453.59

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Solution

The fourth proportional to 65,134.16, 89,886.74 and 36,453.59 is: 50,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,134.16 : 89,886.74 = 36,453.59 : x
  2. Step 2: Convert to fraction form
    65,134.16/89,886.74 = 36,453.59/x
  3. Step 3: Cross multiply
    65,134.16x = 89,886.74 × 36,453.59
  4. Step 4: Simplify right side
    65,134.16x = 3,276,694,682.25
  5. Step 5: Solve for x
    x = 3,276,694,682.25/65,134.16
  6. Step 6: Final answer
    x = 50,306.86

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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.