Home / 68,637.99-94,722.03-38,422.56

Finding the Fourth Proportional to 68,637.99, 94,722.03 and 38,422.56

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Solution

The fourth proportional to 68,637.99, 94,722.03 and 38,422.56 is: 53,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637.99 : 94,722.03 = 38,422.56 : x
  2. Step 2: Convert to fraction form
    68,637.99/94,722.03 = 38,422.56/x
  3. Step 3: Cross multiply
    68,637.99x = 94,722.03 × 38,422.56
  4. Step 4: Simplify right side
    68,637.99x = 3,639,462,881.00
  5. Step 5: Solve for x
    x = 3,639,462,881.00/68,637.99
  6. Step 6: Final answer
    x = 53,024.03

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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.