Home / 55,773.12-83,714.36-40,940.00

Finding the Fourth Proportional to 55,773.12, 83,714.36 and 40,940.00

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Solution

The fourth proportional to 55,773.12, 83,714.36 and 40,940.00 is: 61,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.12 : 83,714.36 = 40,940.00 : x
  2. Step 2: Convert to fraction form
    55,773.12/83,714.36 = 40,940.00/x
  3. Step 3: Cross multiply
    55,773.12x = 83,714.36 × 40,940.00
  4. Step 4: Simplify right side
    55,773.12x = 3,427,265,275.13
  5. Step 5: Solve for x
    x = 3,427,265,275.13/55,773.12
  6. Step 6: Final answer
    x = 61,450.13

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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.