Home / 90,207.90-124,483.83-49,923.36

Finding the Fourth Proportional to 90,207.90, 124,483.83 and 49,923.36

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Solution

The fourth proportional to 90,207.90, 124,483.83 and 49,923.36 is: 68,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,207.90 : 124,483.83 = 49,923.36 : x
  2. Step 2: Convert to fraction form
    90,207.90/124,483.83 = 49,923.36/x
  3. Step 3: Cross multiply
    90,207.90x = 124,483.83 × 49,923.36
  4. Step 4: Simplify right side
    90,207.90x = 6,214,651,059.27
  5. Step 5: Solve for x
    x = 6,214,651,059.27/90,207.90
  6. Step 6: Final answer
    x = 68,892.54

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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.