Home / 64,215.41-88,562.85-38,716.17

Finding the Fourth Proportional to 64,215.41, 88,562.85 and 38,716.17

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Solution

The fourth proportional to 64,215.41, 88,562.85 and 38,716.17 is: 53,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.41 : 88,562.85 = 38,716.17 : x
  2. Step 2: Convert to fraction form
    64,215.41/88,562.85 = 38,716.17/x
  3. Step 3: Cross multiply
    64,215.41x = 88,562.85 × 38,716.17
  4. Step 4: Simplify right side
    64,215.41x = 3,428,814,356.28
  5. Step 5: Solve for x
    x = 3,428,814,356.28/64,215.41
  6. Step 6: Final answer
    x = 53,395.51

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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.