Home / 56,269.22-77,648.63-30,770.63

Finding the Fourth Proportional to 56,269.22, 77,648.63 and 30,770.63

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Solution

The fourth proportional to 56,269.22, 77,648.63 and 30,770.63 is: 42,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,269.22 : 77,648.63 = 30,770.63 : x
  2. Step 2: Convert to fraction form
    56,269.22/77,648.63 = 30,770.63/x
  3. Step 3: Cross multiply
    56,269.22x = 77,648.63 × 30,770.63
  4. Step 4: Simplify right side
    56,269.22x = 2,389,296,721.64
  5. Step 5: Solve for x
    x = 2,389,296,721.64/56,269.22
  6. Step 6: Final answer
    x = 42,461.88

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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.