Home / 56,938.83-78,575.99-31,444.48

Finding the Fourth Proportional to 56,938.83, 78,575.99 and 31,444.48

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Solution

The fourth proportional to 56,938.83, 78,575.99 and 31,444.48 is: 43,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.83 : 78,575.99 = 31,444.48 : x
  2. Step 2: Convert to fraction form
    56,938.83/78,575.99 = 31,444.48/x
  3. Step 3: Cross multiply
    56,938.83x = 78,575.99 × 31,444.48
  4. Step 4: Simplify right side
    56,938.83x = 2,470,781,146.04
  5. Step 5: Solve for x
    x = 2,470,781,146.04/56,938.83
  6. Step 6: Final answer
    x = 43,393.61

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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.