Home / 56,466.74-77,923.56-30,972.58

Finding the Fourth Proportional to 56,466.74, 77,923.56 and 30,972.58

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Solution

The fourth proportional to 56,466.74, 77,923.56 and 30,972.58 is: 42,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,466.74 : 77,923.56 = 30,972.58 : x
  2. Step 2: Convert to fraction form
    56,466.74/77,923.56 = 30,972.58/x
  3. Step 3: Cross multiply
    56,466.74x = 77,923.56 × 30,972.58
  4. Step 4: Simplify right side
    56,466.74x = 2,413,493,695.98
  5. Step 5: Solve for x
    x = 2,413,493,695.98/56,466.74
  6. Step 6: Final answer
    x = 42,741.86

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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.