Home / 56,955.80-78,600.18-31,805.32

Finding the Fourth Proportional to 56,955.80, 78,600.18 and 31,805.32

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Solution

The fourth proportional to 56,955.80, 78,600.18 and 31,805.32 is: 43,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.80 : 78,600.18 = 31,805.32 : x
  2. Step 2: Convert to fraction form
    56,955.80/78,600.18 = 31,805.32/x
  3. Step 3: Cross multiply
    56,955.80x = 78,600.18 × 31,805.32
  4. Step 4: Simplify right side
    56,955.80x = 2,499,903,876.96
  5. Step 5: Solve for x
    x = 2,499,903,876.96/56,955.80
  6. Step 6: Final answer
    x = 43,892.00

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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.