Home / 89,004.52-122,856.90-51,293.80

Finding the Fourth Proportional to 89,004.52, 122,856.90 and 51,293.80

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Solution

The fourth proportional to 89,004.52, 122,856.90 and 51,293.80 is: 70,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,004.52 : 122,856.90 = 51,293.80 : x
  2. Step 2: Convert to fraction form
    89,004.52/122,856.90 = 51,293.80/x
  3. Step 3: Cross multiply
    89,004.52x = 122,856.90 × 51,293.80
  4. Step 4: Simplify right side
    89,004.52x = 6,301,797,257.22
  5. Step 5: Solve for x
    x = 6,301,797,257.22/89,004.52
  6. Step 6: Final answer
    x = 70,803.11

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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.