Home / 76,776.52-115,148.46-32,386.12

Finding the Fourth Proportional to 76,776.52, 115,148.46 and 32,386.12

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Solution

The fourth proportional to 76,776.52, 115,148.46 and 32,386.12 is: 48,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776.52 : 115,148.46 = 32,386.12 : x
  2. Step 2: Convert to fraction form
    76,776.52/115,148.46 = 32,386.12/x
  3. Step 3: Cross multiply
    76,776.52x = 115,148.46 × 32,386.12
  4. Step 4: Simplify right side
    76,776.52x = 3,729,211,843.38
  5. Step 5: Solve for x
    x = 3,729,211,843.38/76,776.52
  6. Step 6: Final answer
    x = 48,572.30

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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.