Home / 68,379.36-94,326.96-47,169.12

Finding the Fourth Proportional to 68,379.36, 94,326.96 and 47,169.12

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Solution

The fourth proportional to 68,379.36, 94,326.96 and 47,169.12 is: 65,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379.36 : 94,326.96 = 47,169.12 : x
  2. Step 2: Convert to fraction form
    68,379.36/94,326.96 = 47,169.12/x
  3. Step 3: Cross multiply
    68,379.36x = 94,326.96 × 47,169.12
  4. Step 4: Simplify right side
    68,379.36x = 4,449,319,695.48
  5. Step 5: Solve for x
    x = 4,449,319,695.48/68,379.36
  6. Step 6: Final answer
    x = 65,068.17

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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.