Home / 56,799.63-78,383.70-31,649.13

Finding the Fourth Proportional to 56,799.63, 78,383.70 and 31,649.13

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Solution

The fourth proportional to 56,799.63, 78,383.70 and 31,649.13 is: 43,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799.63 : 78,383.70 = 31,649.13 : x
  2. Step 2: Convert to fraction form
    56,799.63/78,383.70 = 31,649.13/x
  3. Step 3: Cross multiply
    56,799.63x = 78,383.70 × 31,649.13
  4. Step 4: Simplify right side
    56,799.63x = 2,480,775,911.18
  5. Step 5: Solve for x
    x = 2,480,775,911.18/56,799.63
  6. Step 6: Final answer
    x = 43,675.92

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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.