Home / 68,074.32-102,088.56-28,624.08

Finding the Fourth Proportional to 68,074.32, 102,088.56 and 28,624.08

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Solution

The fourth proportional to 68,074.32, 102,088.56 and 28,624.08 is: 42,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,074.32 : 102,088.56 = 28,624.08 : x
  2. Step 2: Convert to fraction form
    68,074.32/102,088.56 = 28,624.08/x
  3. Step 3: Cross multiply
    68,074.32x = 102,088.56 × 28,624.08
  4. Step 4: Simplify right side
    68,074.32x = 2,922,191,108.52
  5. Step 5: Solve for x
    x = 2,922,191,108.52/68,074.32
  6. Step 6: Final answer
    x = 42,926.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.