Home / 65,927.32-90,891.60-54,554.92

Finding the Fourth Proportional to 65,927.32, 90,891.60 and 54,554.92

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Solution

The fourth proportional to 65,927.32, 90,891.60 and 54,554.92 is: 75,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.32 : 90,891.60 = 54,554.92 : x
  2. Step 2: Convert to fraction form
    65,927.32/90,891.60 = 54,554.92/x
  3. Step 3: Cross multiply
    65,927.32x = 90,891.60 × 54,554.92
  4. Step 4: Simplify right side
    65,927.32x = 4,958,583,966.67
  5. Step 5: Solve for x
    x = 4,958,583,966.67/65,927.32
  6. Step 6: Final answer
    x = 75,212.89

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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.