Home / 76,186.60-105,025.62-53,456.92

Finding the Fourth Proportional to 76,186.60, 105,025.62 and 53,456.92

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Solution

The fourth proportional to 76,186.60, 105,025.62 and 53,456.92 is: 73,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,186.60 : 105,025.62 = 53,456.92 : x
  2. Step 2: Convert to fraction form
    76,186.60/105,025.62 = 53,456.92/x
  3. Step 3: Cross multiply
    76,186.60x = 105,025.62 × 53,456.92
  4. Step 4: Simplify right side
    76,186.60x = 5,614,346,166.29
  5. Step 5: Solve for x
    x = 5,614,346,166.29/76,186.60
  6. Step 6: Final answer
    x = 73,692.04

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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.