Home / 76,859.04-115,289.10-24,272.76

Finding the Fourth Proportional to 76,859.04, 115,289.10 and 24,272.76

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Solution

The fourth proportional to 76,859.04, 115,289.10 and 24,272.76 is: 36,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,859.04 : 115,289.10 = 24,272.76 : x
  2. Step 2: Convert to fraction form
    76,859.04/115,289.10 = 24,272.76/x
  3. Step 3: Cross multiply
    76,859.04x = 115,289.10 × 24,272.76
  4. Step 4: Simplify right side
    76,859.04x = 2,798,384,654.92
  5. Step 5: Solve for x
    x = 2,798,384,654.92/76,859.04
  6. Step 6: Final answer
    x = 36,409.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.