Home / 76,266.84-114,354.12-34,139.16

Finding the Fourth Proportional to 76,266.84, 114,354.12 and 34,139.16

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Solution

The fourth proportional to 76,266.84, 114,354.12 and 34,139.16 is: 51,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.84 : 114,354.12 = 34,139.16 : x
  2. Step 2: Convert to fraction form
    76,266.84/114,354.12 = 34,139.16/x
  3. Step 3: Cross multiply
    76,266.84x = 114,354.12 × 34,139.16
  4. Step 4: Simplify right side
    76,266.84x = 3,903,953,599.34
  5. Step 5: Solve for x
    x = 3,903,953,599.34/76,266.84
  6. Step 6: Final answer
    x = 51,188.09

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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.