Home / 68,325.40-94,326.18-47,218.12

Finding the Fourth Proportional to 68,325.40, 94,326.18 and 47,218.12

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Solution

The fourth proportional to 68,325.40, 94,326.18 and 47,218.12 is: 65,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,325.40 : 94,326.18 = 47,218.12 : x
  2. Step 2: Convert to fraction form
    68,325.40/94,326.18 = 47,218.12/x
  3. Step 3: Cross multiply
    68,325.40x = 94,326.18 × 47,218.12
  4. Step 4: Simplify right side
    68,325.40x = 4,453,904,886.38
  5. Step 5: Solve for x
    x = 4,453,904,886.38/68,325.40
  6. Step 6: Final answer
    x = 65,186.66

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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.