Home / 56,583.66-78,091.38-31,433.16

Finding the Fourth Proportional to 56,583.66, 78,091.38 and 31,433.16

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Solution

The fourth proportional to 56,583.66, 78,091.38 and 31,433.16 is: 43,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,583.66 : 78,091.38 = 31,433.16 : x
  2. Step 2: Convert to fraction form
    56,583.66/78,091.38 = 31,433.16/x
  3. Step 3: Cross multiply
    56,583.66x = 78,091.38 × 31,433.16
  4. Step 4: Simplify right side
    56,583.66x = 2,454,658,842.16
  5. Step 5: Solve for x
    x = 2,454,658,842.16/56,583.66
  6. Step 6: Final answer
    x = 43,381.05

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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.