Home / 56,117.88-84,191.40-21,060.54

Finding the Fourth Proportional to 56,117.88, 84,191.40 and 21,060.54

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Solution

The fourth proportional to 56,117.88, 84,191.40 and 21,060.54 is: 31,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.88 : 84,191.40 = 21,060.54 : x
  2. Step 2: Convert to fraction form
    56,117.88/84,191.40 = 21,060.54/x
  3. Step 3: Cross multiply
    56,117.88x = 84,191.40 × 21,060.54
  4. Step 4: Simplify right side
    56,117.88x = 1,773,116,347.36
  5. Step 5: Solve for x
    x = 1,773,116,347.36/56,117.88
  6. Step 6: Final answer
    x = 31,596.28

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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.