Home / 68,714.22-103,539.40-56,507.65

Finding the Fourth Proportional to 68,714.22, 103,539.40 and 56,507.65

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Solution

The fourth proportional to 68,714.22, 103,539.40 and 56,507.65 is: 85,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.22 : 103,539.40 = 56,507.65 : x
  2. Step 2: Convert to fraction form
    68,714.22/103,539.40 = 56,507.65/x
  3. Step 3: Cross multiply
    68,714.22x = 103,539.40 × 56,507.65
  4. Step 4: Simplify right side
    68,714.22x = 5,850,768,176.41
  5. Step 5: Solve for x
    x = 5,850,768,176.41/68,714.22
  6. Step 6: Final answer
    x = 85,146.40

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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.