Home / 76,443.84-114,693.28-34,320.64

Finding the Fourth Proportional to 76,443.84, 114,693.28 and 34,320.64

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Solution

The fourth proportional to 76,443.84, 114,693.28 and 34,320.64 is: 51,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,443.84 : 114,693.28 = 34,320.64 : x
  2. Step 2: Convert to fraction form
    76,443.84/114,693.28 = 34,320.64/x
  3. Step 3: Cross multiply
    76,443.84x = 114,693.28 × 34,320.64
  4. Step 4: Simplify right side
    76,443.84x = 3,936,346,773.30
  5. Step 5: Solve for x
    x = 3,936,346,773.30/76,443.84
  6. Step 6: Final answer
    x = 51,493.32

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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.