Home / 76,306.32-114,438.66-31,925.88

Finding the Fourth Proportional to 76,306.32, 114,438.66 and 31,925.88

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Solution

The fourth proportional to 76,306.32, 114,438.66 and 31,925.88 is: 47,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,306.32 : 114,438.66 = 31,925.88 : x
  2. Step 2: Convert to fraction form
    76,306.32/114,438.66 = 31,925.88/x
  3. Step 3: Cross multiply
    76,306.32x = 114,438.66 × 31,925.88
  4. Step 4: Simplify right side
    76,306.32x = 3,653,554,926.52
  5. Step 5: Solve for x
    x = 3,653,554,926.52/76,306.32
  6. Step 6: Final answer
    x = 47,880.11

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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.