Home / 90,493.15-124,883.89-54,676.24

Finding the Fourth Proportional to 90,493.15, 124,883.89 and 54,676.24

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Solution

The fourth proportional to 90,493.15, 124,883.89 and 54,676.24 is: 75,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,493.15 : 124,883.89 = 54,676.24 : x
  2. Step 2: Convert to fraction form
    90,493.15/124,883.89 = 54,676.24/x
  3. Step 3: Cross multiply
    90,493.15x = 124,883.89 × 54,676.24
  4. Step 4: Simplify right side
    90,493.15x = 6,828,181,541.77
  5. Step 5: Solve for x
    x = 6,828,181,541.77/90,493.15
  6. Step 6: Final answer
    x = 75,455.23

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1.5x scale

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.