Home / 56,501.54-84,719.50-21,422.06

Finding the Fourth Proportional to 56,501.54, 84,719.50 and 21,422.06

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Solution

The fourth proportional to 56,501.54, 84,719.50 and 21,422.06 is: 32,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.54 : 84,719.50 = 21,422.06 : x
  2. Step 2: Convert to fraction form
    56,501.54/84,719.50 = 21,422.06/x
  3. Step 3: Cross multiply
    56,501.54x = 84,719.50 × 21,422.06
  4. Step 4: Simplify right side
    56,501.54x = 1,814,866,370.41
  5. Step 5: Solve for x
    x = 1,814,866,370.41/56,501.54
  6. Step 6: Final answer
    x = 32,120.65

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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.