Home / 90,493.06-124,883.77-54,676.15

Finding the Fourth Proportional to 90,493.06, 124,883.77 and 54,676.15

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Solution

The fourth proportional to 90,493.06, 124,883.77 and 54,676.15 is: 75,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,493.06 : 124,883.77 = 54,676.15 : x
  2. Step 2: Convert to fraction form
    90,493.06/124,883.77 = 54,676.15/x
  3. Step 3: Cross multiply
    90,493.06x = 124,883.77 × 54,676.15
  4. Step 4: Simplify right side
    90,493.06x = 6,828,163,779.91
  5. Step 5: Solve for x
    x = 6,828,163,779.91/90,493.06
  6. Step 6: Final answer
    x = 75,455.11

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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.