Home / 76,678.08-115,009.52-24,086.16

Finding the Fourth Proportional to 76,678.08, 115,009.52 and 24,086.16

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Solution

The fourth proportional to 76,678.08, 115,009.52 and 24,086.16 is: 36,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678.08 : 115,009.52 = 24,086.16 : x
  2. Step 2: Convert to fraction form
    76,678.08/115,009.52 = 24,086.16/x
  3. Step 3: Cross multiply
    76,678.08x = 115,009.52 × 24,086.16
  4. Step 4: Simplify right side
    76,678.08x = 2,770,137,700.24
  5. Step 5: Solve for x
    x = 2,770,137,700.24/76,678.08
  6. Step 6: Final answer
    x = 36,126.85

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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.