Home / 90,582.72-125,001.72-50,295.28

Finding the Fourth Proportional to 90,582.72, 125,001.72 and 50,295.28

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Solution

The fourth proportional to 90,582.72, 125,001.72 and 50,295.28 is: 69,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.72 : 125,001.72 = 50,295.28 : x
  2. Step 2: Convert to fraction form
    90,582.72/125,001.72 = 50,295.28/x
  3. Step 3: Cross multiply
    90,582.72x = 125,001.72 × 50,295.28
  4. Step 4: Simplify right side
    90,582.72x = 6,286,996,507.88
  5. Step 5: Solve for x
    x = 6,286,996,507.88/90,582.72
  6. Step 6: Final answer
    x = 69,406.14

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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.