Home / 74,826.88-103,261.70-40,835.64

Finding the Fourth Proportional to 74,826.88, 103,261.70 and 40,835.64

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Solution

The fourth proportional to 74,826.88, 103,261.70 and 40,835.64 is: 56,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.88 : 103,261.70 = 40,835.64 : x
  2. Step 2: Convert to fraction form
    74,826.88/103,261.70 = 40,835.64/x
  3. Step 3: Cross multiply
    74,826.88x = 103,261.70 × 40,835.64
  4. Step 4: Simplify right side
    74,826.88x = 4,216,757,606.99
  5. Step 5: Solve for x
    x = 4,216,757,606.99/74,826.88
  6. Step 6: Final answer
    x = 56,353.51

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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.