Home / 76,973.00-106,213.35-42,983.37

Finding the Fourth Proportional to 76,973.00, 106,213.35 and 42,983.37

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Solution

The fourth proportional to 76,973.00, 106,213.35 and 42,983.37 is: 59,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973.00 : 106,213.35 = 42,983.37 : x
  2. Step 2: Convert to fraction form
    76,973.00/106,213.35 = 42,983.37/x
  3. Step 3: Cross multiply
    76,973.00x = 106,213.35 × 42,983.37
  4. Step 4: Simplify right side
    76,973.00x = 4,565,407,721.99
  5. Step 5: Solve for x
    x = 4,565,407,721.99/76,973.00
  6. Step 6: Final answer
    x = 59,311.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.