Home / 63,081.08-94,635.18-18,710.90

Finding the Fourth Proportional to 63,081.08, 94,635.18 and 18,710.90

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Solution

The fourth proportional to 63,081.08, 94,635.18 and 18,710.90 is: 28,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.08 : 94,635.18 = 18,710.90 : x
  2. Step 2: Convert to fraction form
    63,081.08/94,635.18 = 18,710.90/x
  3. Step 3: Cross multiply
    63,081.08x = 94,635.18 × 18,710.90
  4. Step 4: Simplify right side
    63,081.08x = 1,770,708,916.29
  5. Step 5: Solve for x
    x = 1,770,708,916.29/63,081.08
  6. Step 6: Final answer
    x = 28,070.37

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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.