Home / 56,898.51-85,372.35-21,829.96

Finding the Fourth Proportional to 56,898.51, 85,372.35 and 21,829.96

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Solution

The fourth proportional to 56,898.51, 85,372.35 and 21,829.96 is: 32,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.51 : 85,372.35 = 21,829.96 : x
  2. Step 2: Convert to fraction form
    56,898.51/85,372.35 = 21,829.96/x
  3. Step 3: Cross multiply
    56,898.51x = 85,372.35 × 21,829.96
  4. Step 4: Simplify right side
    56,898.51x = 1,863,674,985.61
  5. Step 5: Solve for x
    x = 1,863,674,985.61/56,898.51
  6. Step 6: Final answer
    x = 32,754.37

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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.