Home / 71,795.52-99,078.76-39,533.92

Finding the Fourth Proportional to 71,795.52, 99,078.76 and 39,533.92

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Solution

The fourth proportional to 71,795.52, 99,078.76 and 39,533.92 is: 54,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,795.52 : 99,078.76 = 39,533.92 : x
  2. Step 2: Convert to fraction form
    71,795.52/99,078.76 = 39,533.92/x
  3. Step 3: Cross multiply
    71,795.52x = 99,078.76 × 39,533.92
  4. Step 4: Simplify right side
    71,795.52x = 3,916,971,771.54
  5. Step 5: Solve for x
    x = 3,916,971,771.54/71,795.52
  6. Step 6: Final answer
    x = 54,557.33

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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.