Home / 76,479.84-114,699.71-34,336.35

Finding the Fourth Proportional to 76,479.84, 114,699.71 and 34,336.35

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Solution

The fourth proportional to 76,479.84, 114,699.71 and 34,336.35 is: 51,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.84 : 114,699.71 = 34,336.35 : x
  2. Step 2: Convert to fraction form
    76,479.84/114,699.71 = 34,336.35/x
  3. Step 3: Cross multiply
    76,479.84x = 114,699.71 × 34,336.35
  4. Step 4: Simplify right side
    76,479.84x = 3,938,369,215.78
  5. Step 5: Solve for x
    x = 3,938,369,215.78/76,479.84
  6. Step 6: Final answer
    x = 51,495.52

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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.