Home / 56,949.16-78,583.10-31,454.01

Finding the Fourth Proportional to 56,949.16, 78,583.10 and 31,454.01

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Solution

The fourth proportional to 56,949.16, 78,583.10 and 31,454.01 is: 43,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949.16 : 78,583.10 = 31,454.01 : x
  2. Step 2: Convert to fraction form
    56,949.16/78,583.10 = 31,454.01/x
  3. Step 3: Cross multiply
    56,949.16x = 78,583.10 × 31,454.01
  4. Step 4: Simplify right side
    56,949.16x = 2,471,753,613.23
  5. Step 5: Solve for x
    x = 2,471,753,613.23/56,949.16
  6. Step 6: Final answer
    x = 43,402.81

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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.