Home / 68,722.52-94,855.76-40,437.32

Finding the Fourth Proportional to 68,722.52, 94,855.76 and 40,437.32

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Solution

The fourth proportional to 68,722.52, 94,855.76 and 40,437.32 is: 55,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.52 : 94,855.76 = 40,437.32 : x
  2. Step 2: Convert to fraction form
    68,722.52/94,855.76 = 40,437.32/x
  3. Step 3: Cross multiply
    68,722.52x = 94,855.76 × 40,437.32
  4. Step 4: Simplify right side
    68,722.52x = 3,835,712,720.96
  5. Step 5: Solve for x
    x = 3,835,712,720.96/68,722.52
  6. Step 6: Final answer
    x = 55,814.49

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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.