Home / 68,320.70-94,246.71-55,588.11

Finding the Fourth Proportional to 68,320.70, 94,246.71 and 55,588.11

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Solution

The fourth proportional to 68,320.70, 94,246.71 and 55,588.11 is: 76,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.70 : 94,246.71 = 55,588.11 : x
  2. Step 2: Convert to fraction form
    68,320.70/94,246.71 = 55,588.11/x
  3. Step 3: Cross multiply
    68,320.70x = 94,246.71 × 55,588.11
  4. Step 4: Simplify right side
    68,320.70x = 5,238,996,482.62
  5. Step 5: Solve for x
    x = 5,238,996,482.62/68,320.70
  6. Step 6: Final answer
    x = 76,682.42

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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.