Home / 56,721.12-78,292.38-32,853.66

Finding the Fourth Proportional to 56,721.12, 78,292.38 and 32,853.66

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Solution

The fourth proportional to 56,721.12, 78,292.38 and 32,853.66 is: 45,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.12 : 78,292.38 = 32,853.66 : x
  2. Step 2: Convert to fraction form
    56,721.12/78,292.38 = 32,853.66/x
  3. Step 3: Cross multiply
    56,721.12x = 78,292.38 × 32,853.66
  4. Step 4: Simplify right side
    56,721.12x = 2,572,191,233.11
  5. Step 5: Solve for x
    x = 2,572,191,233.11/56,721.12
  6. Step 6: Final answer
    x = 45,348.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.