Home / 90,794.24-125,298.60-50,509.28

Finding the Fourth Proportional to 90,794.24, 125,298.60 and 50,509.28

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Solution

The fourth proportional to 90,794.24, 125,298.60 and 50,509.28 is: 69,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,794.24 : 125,298.60 = 50,509.28 : x
  2. Step 2: Convert to fraction form
    90,794.24/125,298.60 = 50,509.28/x
  3. Step 3: Cross multiply
    90,794.24x = 125,298.60 × 50,509.28
  4. Step 4: Simplify right side
    90,794.24x = 6,328,742,071.01
  5. Step 5: Solve for x
    x = 6,328,742,071.01/90,794.24
  6. Step 6: Final answer
    x = 69,704.22

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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.