Home / 68,395.19-94,390.11-38,186.45

Finding the Fourth Proportional to 68,395.19, 94,390.11 and 38,186.45

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Solution

The fourth proportional to 68,395.19, 94,390.11 and 38,186.45 is: 52,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,395.19 : 94,390.11 = 38,186.45 : x
  2. Step 2: Convert to fraction form
    68,395.19/94,390.11 = 38,186.45/x
  3. Step 3: Cross multiply
    68,395.19x = 94,390.11 × 38,186.45
  4. Step 4: Simplify right side
    68,395.19x = 3,604,422,744.06
  5. Step 5: Solve for x
    x = 3,604,422,744.06/68,395.19
  6. Step 6: Final answer
    x = 52,699.95

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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.