Home / 56,504.10-77,975.64-31,353.60

Finding the Fourth Proportional to 56,504.10, 77,975.64 and 31,353.60

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Solution

The fourth proportional to 56,504.10, 77,975.64 and 31,353.60 is: 43,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.10 : 77,975.64 = 31,353.60 : x
  2. Step 2: Convert to fraction form
    56,504.10/77,975.64 = 31,353.60/x
  3. Step 3: Cross multiply
    56,504.10x = 77,975.64 × 31,353.60
  4. Step 4: Simplify right side
    56,504.10x = 2,444,817,026.30
  5. Step 5: Solve for x
    x = 2,444,817,026.30/56,504.10
  6. Step 6: Final answer
    x = 43,267.96

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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.