Home / 56,403.34-84,607.52-31,424.46

Finding the Fourth Proportional to 56,403.34, 84,607.52 and 31,424.46

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Solution

The fourth proportional to 56,403.34, 84,607.52 and 31,424.46 is: 47,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403.34 : 84,607.52 = 31,424.46 : x
  2. Step 2: Convert to fraction form
    56,403.34/84,607.52 = 31,424.46/x
  3. Step 3: Cross multiply
    56,403.34x = 84,607.52 × 31,424.46
  4. Step 4: Simplify right side
    56,403.34x = 2,658,745,627.94
  5. Step 5: Solve for x
    x = 2,658,745,627.94/56,403.34
  6. Step 6: Final answer
    x = 47,138.09

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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.