Home / 76,365.63-114,653.27-38,950.92

Finding the Fourth Proportional to 76,365.63, 114,653.27 and 38,950.92

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Solution

The fourth proportional to 76,365.63, 114,653.27 and 38,950.92 is: 58,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365.63 : 114,653.27 = 38,950.92 : x
  2. Step 2: Convert to fraction form
    76,365.63/114,653.27 = 38,950.92/x
  3. Step 3: Cross multiply
    76,365.63x = 114,653.27 × 38,950.92
  4. Step 4: Simplify right side
    76,365.63x = 4,465,850,152.75
  5. Step 5: Solve for x
    x = 4,465,850,152.75/76,365.63
  6. Step 6: Final answer
    x = 58,479.84

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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.