Home / 90,600.28-125,033.70-56,629.96

Finding the Fourth Proportional to 90,600.28, 125,033.70 and 56,629.96

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Solution

The fourth proportional to 90,600.28, 125,033.70 and 56,629.96 is: 78,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.28 : 125,033.70 = 56,629.96 : x
  2. Step 2: Convert to fraction form
    90,600.28/125,033.70 = 56,629.96/x
  3. Step 3: Cross multiply
    90,600.28x = 125,033.70 × 56,629.96
  4. Step 4: Simplify right side
    90,600.28x = 7,080,653,429.65
  5. Step 5: Solve for x
    x = 7,080,653,429.65/90,600.28
  6. Step 6: Final answer
    x = 78,152.67

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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.