Home / 89,027.52-122,849.60-53,210.40

Finding the Fourth Proportional to 89,027.52, 122,849.60 and 53,210.40

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Solution

The fourth proportional to 89,027.52, 122,849.60 and 53,210.40 is: 73,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.52 : 122,849.60 = 53,210.40 : x
  2. Step 2: Convert to fraction form
    89,027.52/122,849.60 = 53,210.40/x
  3. Step 3: Cross multiply
    89,027.52x = 122,849.60 × 53,210.40
  4. Step 4: Simplify right side
    89,027.52x = 6,536,876,355.84
  5. Step 5: Solve for x
    x = 6,536,876,355.84/89,027.52
  6. Step 6: Final answer
    x = 73,425.34

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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.