Home / 76,533.20-114,238.04-70,897.04

Finding the Fourth Proportional to 76,533.20, 114,238.04 and 70,897.04

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Solution

The fourth proportional to 76,533.20, 114,238.04 and 70,897.04 is: 105,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533.20 : 114,238.04 = 70,897.04 : x
  2. Step 2: Convert to fraction form
    76,533.20/114,238.04 = 70,897.04/x
  3. Step 3: Cross multiply
    76,533.20x = 114,238.04 × 70,897.04
  4. Step 4: Simplify right side
    76,533.20x = 8,099,138,891.40
  5. Step 5: Solve for x
    x = 8,099,138,891.40/76,533.20
  6. Step 6: Final answer
    x = 105,825.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.