Home / 90,494.58-124,840.53-56,481.06

Finding the Fourth Proportional to 90,494.58, 124,840.53 and 56,481.06

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Solution

The fourth proportional to 90,494.58, 124,840.53 and 56,481.06 is: 77,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.58 : 124,840.53 = 56,481.06 : x
  2. Step 2: Convert to fraction form
    90,494.58/124,840.53 = 56,481.06/x
  3. Step 3: Cross multiply
    90,494.58x = 124,840.53 × 56,481.06
  4. Step 4: Simplify right side
    90,494.58x = 7,051,125,465.36
  5. Step 5: Solve for x
    x = 7,051,125,465.36/90,494.58
  6. Step 6: Final answer
    x = 77,917.66

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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.