Home / 56,192.76-77,546-31,043.88

Finding the Fourth Proportional to 56,192.76, 77,546 and 31,043.88

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Solution

The fourth proportional to 56,192.76, 77,546 and 31,043.88 is: 42,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,192.76 : 77,546 = 31,043.88 : x
  2. Step 2: Convert to fraction form
    56,192.76/77,546 = 31,043.88/x
  3. Step 3: Cross multiply
    56,192.76x = 77,546 × 31,043.88
  4. Step 4: Simplify right side
    56,192.76x = 2,407,328,718.48
  5. Step 5: Solve for x
    x = 2,407,328,718.48/56,192.76
  6. Step 6: Final answer
    x = 42,840.55

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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.