Home / 90,815.70-125,323.69-52,576.87

Finding the Fourth Proportional to 90,815.70, 125,323.69 and 52,576.87

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Solution

The fourth proportional to 90,815.70, 125,323.69 and 52,576.87 is: 72,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815.70 : 125,323.69 = 52,576.87 : x
  2. Step 2: Convert to fraction form
    90,815.70/125,323.69 = 52,576.87/x
  3. Step 3: Cross multiply
    90,815.70x = 125,323.69 × 52,576.87
  4. Step 4: Simplify right side
    90,815.70x = 6,589,127,357.05
  5. Step 5: Solve for x
    x = 6,589,127,357.05/90,815.70
  6. Step 6: Final answer
    x = 72,554.94

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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.