Home / 56,148.77-77,481.98-30,650.06

Finding the Fourth Proportional to 56,148.77, 77,481.98 and 30,650.06

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Solution

The fourth proportional to 56,148.77, 77,481.98 and 30,650.06 is: 42,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.77 : 77,481.98 = 30,650.06 : x
  2. Step 2: Convert to fraction form
    56,148.77/77,481.98 = 30,650.06/x
  3. Step 3: Cross multiply
    56,148.77x = 77,481.98 × 30,650.06
  4. Step 4: Simplify right side
    56,148.77x = 2,374,827,182.67
  5. Step 5: Solve for x
    x = 2,374,827,182.67/56,148.77
  6. Step 6: Final answer
    x = 42,295.27

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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.