Home / 77,102.48-106,400.04-43,567.76

Finding the Fourth Proportional to 77,102.48, 106,400.04 and 43,567.76

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Solution

The fourth proportional to 77,102.48, 106,400.04 and 43,567.76 is: 60,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102.48 : 106,400.04 = 43,567.76 : x
  2. Step 2: Convert to fraction form
    77,102.48/106,400.04 = 43,567.76/x
  3. Step 3: Cross multiply
    77,102.48x = 106,400.04 × 43,567.76
  4. Step 4: Simplify right side
    77,102.48x = 4,635,611,406.71
  5. Step 5: Solve for x
    x = 4,635,611,406.71/77,102.48
  6. Step 6: Final answer
    x = 60,122.73

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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.