Home / 90,771.48-125,246.22-53,038.44

Finding the Fourth Proportional to 90,771.48, 125,246.22 and 53,038.44

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Solution

The fourth proportional to 90,771.48, 125,246.22 and 53,038.44 is: 73,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771.48 : 125,246.22 = 53,038.44 : x
  2. Step 2: Convert to fraction form
    90,771.48/125,246.22 = 53,038.44/x
  3. Step 3: Cross multiply
    90,771.48x = 125,246.22 × 53,038.44
  4. Step 4: Simplify right side
    90,771.48x = 6,642,864,124.70
  5. Step 5: Solve for x
    x = 6,642,864,124.70/90,771.48
  6. Step 6: Final answer
    x = 73,182.28

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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.