Home / 56,433.41-84,575.85-31,485.21

Finding the Fourth Proportional to 56,433.41, 84,575.85 and 31,485.21

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Solution

The fourth proportional to 56,433.41, 84,575.85 and 31,485.21 is: 47,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.41 : 84,575.85 = 31,485.21 : x
  2. Step 2: Convert to fraction form
    56,433.41/84,575.85 = 31,485.21/x
  3. Step 3: Cross multiply
    56,433.41x = 84,575.85 × 31,485.21
  4. Step 4: Simplify right side
    56,433.41x = 2,662,887,962.95
  5. Step 5: Solve for x
    x = 2,662,887,962.95/56,433.41
  6. Step 6: Final answer
    x = 47,186.37

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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.