Home / 89,006.90-122,828.54-50,765.45

Finding the Fourth Proportional to 89,006.90, 122,828.54 and 50,765.45

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Solution

The fourth proportional to 89,006.90, 122,828.54 and 50,765.45 is: 70,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.90 : 122,828.54 = 50,765.45 : x
  2. Step 2: Convert to fraction form
    89,006.90/122,828.54 = 50,765.45/x
  3. Step 3: Cross multiply
    89,006.90x = 122,828.54 × 50,765.45
  4. Step 4: Simplify right side
    89,006.90x = 6,235,446,539.93
  5. Step 5: Solve for x
    x = 6,235,446,539.93/89,006.90
  6. Step 6: Final answer
    x = 70,055.77

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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.