Home / 56,472.12-84,747.06-21,412.08

Finding the Fourth Proportional to 56,472.12, 84,747.06 and 21,412.08

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Solution

The fourth proportional to 56,472.12, 84,747.06 and 21,412.08 is: 32,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.12 : 84,747.06 = 21,412.08 : x
  2. Step 2: Convert to fraction form
    56,472.12/84,747.06 = 21,412.08/x
  3. Step 3: Cross multiply
    56,472.12x = 84,747.06 × 21,412.08
  4. Step 4: Simplify right side
    56,472.12x = 1,814,610,828.48
  5. Step 5: Solve for x
    x = 1,814,610,828.48/56,472.12
  6. Step 6: Final answer
    x = 32,132.86

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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.