Home / 68,720.94-103,549.60-56,514.42

Finding the Fourth Proportional to 68,720.94, 103,549.60 and 56,514.42

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Solution

The fourth proportional to 68,720.94, 103,549.60 and 56,514.42 is: 85,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,720.94 : 103,549.60 = 56,514.42 : x
  2. Step 2: Convert to fraction form
    68,720.94/103,549.60 = 56,514.42/x
  3. Step 3: Cross multiply
    68,720.94x = 103,549.60 × 56,514.42
  4. Step 4: Simplify right side
    68,720.94x = 5,852,045,585.23
  5. Step 5: Solve for x
    x = 5,852,045,585.23/68,720.94
  6. Step 6: Final answer
    x = 85,156.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.