Home / 51,051.40-76,577.10-31,006.60

Finding the Fourth Proportional to 51,051.40, 76,577.10 and 31,006.60

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Solution

The fourth proportional to 51,051.40, 76,577.10 and 31,006.60 is: 46,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.40 : 76,577.10 = 31,006.60 : x
  2. Step 2: Convert to fraction form
    51,051.40/76,577.10 = 31,006.60/x
  3. Step 3: Cross multiply
    51,051.40x = 76,577.10 × 31,006.60
  4. Step 4: Simplify right side
    51,051.40x = 2,374,395,508.86
  5. Step 5: Solve for x
    x = 2,374,395,508.86/51,051.40
  6. Step 6: Final answer
    x = 46,509.90

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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.