Home / 56,181.22-77,528.55-30,688.27

Finding the Fourth Proportional to 56,181.22, 77,528.55 and 30,688.27

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Solution

The fourth proportional to 56,181.22, 77,528.55 and 30,688.27 is: 42,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.22 : 77,528.55 = 30,688.27 : x
  2. Step 2: Convert to fraction form
    56,181.22/77,528.55 = 30,688.27/x
  3. Step 3: Cross multiply
    56,181.22x = 77,528.55 × 30,688.27
  4. Step 4: Simplify right side
    56,181.22x = 2,379,217,075.11
  5. Step 5: Solve for x
    x = 2,379,217,075.11/56,181.22
  6. Step 6: Final answer
    x = 42,348.97

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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.