Home / 89,127.75-122,996.30-53,319.27

Finding the Fourth Proportional to 89,127.75, 122,996.30 and 53,319.27

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Solution

The fourth proportional to 89,127.75, 122,996.30 and 53,319.27 is: 73,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.75 : 122,996.30 = 53,319.27 : x
  2. Step 2: Convert to fraction form
    89,127.75/122,996.30 = 53,319.27/x
  3. Step 3: Cross multiply
    89,127.75x = 122,996.30 × 53,319.27
  4. Step 4: Simplify right side
    89,127.75x = 6,558,072,662.10
  5. Step 5: Solve for x
    x = 6,558,072,662.10/89,127.75
  6. Step 6: Final answer
    x = 73,580.59

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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.