Home / 56,873.98-85,324.32-19,434.36

Finding the Fourth Proportional to 56,873.98, 85,324.32 and 19,434.36

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Solution

The fourth proportional to 56,873.98, 85,324.32 and 19,434.36 is: 29,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.98 : 85,324.32 = 19,434.36 : x
  2. Step 2: Convert to fraction form
    56,873.98/85,324.32 = 19,434.36/x
  3. Step 3: Cross multiply
    56,873.98x = 85,324.32 × 19,434.36
  4. Step 4: Simplify right side
    56,873.98x = 1,658,223,871.60
  5. Step 5: Solve for x
    x = 1,658,223,871.60/56,873.98
  6. Step 6: Final answer
    x = 29,156.11

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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.