Home / 64,623.12-89,143.49-37,759.92

Finding the Fourth Proportional to 64,623.12, 89,143.49 and 37,759.92

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Solution

The fourth proportional to 64,623.12, 89,143.49 and 37,759.92 is: 52,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,623.12 : 89,143.49 = 37,759.92 : x
  2. Step 2: Convert to fraction form
    64,623.12/89,143.49 = 37,759.92/x
  3. Step 3: Cross multiply
    64,623.12x = 89,143.49 × 37,759.92
  4. Step 4: Simplify right side
    64,623.12x = 3,366,051,100.07
  5. Step 5: Solve for x
    x = 3,366,051,100.07/64,623.12
  6. Step 6: Final answer
    x = 52,087.42

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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.