Home / 79,051.96-118,577.94-31,688.52

Finding the Fourth Proportional to 79,051.96, 118,577.94 and 31,688.52

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Solution

The fourth proportional to 79,051.96, 118,577.94 and 31,688.52 is: 47,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,051.96 : 118,577.94 = 31,688.52 : x
  2. Step 2: Convert to fraction form
    79,051.96/118,577.94 = 31,688.52/x
  3. Step 3: Cross multiply
    79,051.96x = 118,577.94 × 31,688.52
  4. Step 4: Simplify right side
    79,051.96x = 3,757,559,423.25
  5. Step 5: Solve for x
    x = 3,757,559,423.25/79,051.96
  6. Step 6: Final answer
    x = 47,532.78

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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.