Home / 90,815.20-125,323-52,576.37

Finding the Fourth Proportional to 90,815.20, 125,323 and 52,576.37

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Solution

The fourth proportional to 90,815.20, 125,323 and 52,576.37 is: 72,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815.20 : 125,323 = 52,576.37 : x
  2. Step 2: Convert to fraction form
    90,815.20/125,323 = 52,576.37/x
  3. Step 3: Cross multiply
    90,815.20x = 125,323 × 52,576.37
  4. Step 4: Simplify right side
    90,815.20x = 6,589,028,417.51
  5. Step 5: Solve for x
    x = 6,589,028,417.51/90,815.20
  6. Step 6: Final answer
    x = 72,554.25

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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.