Home / 70,040.22-96,653.43-39,828.84

Finding the Fourth Proportional to 70,040.22, 96,653.43 and 39,828.84

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Solution

The fourth proportional to 70,040.22, 96,653.43 and 39,828.84 is: 54,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.22 : 96,653.43 = 39,828.84 : x
  2. Step 2: Convert to fraction form
    70,040.22/96,653.43 = 39,828.84/x
  3. Step 3: Cross multiply
    70,040.22x = 96,653.43 × 39,828.84
  4. Step 4: Simplify right side
    70,040.22x = 3,849,593,998.92
  5. Step 5: Solve for x
    x = 3,849,593,998.92/70,040.22
  6. Step 6: Final answer
    x = 54,962.62

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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.