Home / 90,964.63-125,528.02-50,676.31

Finding the Fourth Proportional to 90,964.63, 125,528.02 and 50,676.31

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Solution

The fourth proportional to 90,964.63, 125,528.02 and 50,676.31 is: 69,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,964.63 : 125,528.02 = 50,676.31 : x
  2. Step 2: Convert to fraction form
    90,964.63/125,528.02 = 50,676.31/x
  3. Step 3: Cross multiply
    90,964.63x = 125,528.02 × 50,676.31
  4. Step 4: Simplify right side
    90,964.63x = 6,361,296,855.21
  5. Step 5: Solve for x
    x = 6,361,296,855.21/90,964.63
  6. Step 6: Final answer
    x = 69,931.54

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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.