Home / 81,754.40-112,814.10-45,941.60

Finding the Fourth Proportional to 81,754.40, 112,814.10 and 45,941.60

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Solution

The fourth proportional to 81,754.40, 112,814.10 and 45,941.60 is: 63,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,754.40 : 112,814.10 = 45,941.60 : x
  2. Step 2: Convert to fraction form
    81,754.40/112,814.10 = 45,941.60/x
  3. Step 3: Cross multiply
    81,754.40x = 112,814.10 × 45,941.60
  4. Step 4: Simplify right side
    81,754.40x = 5,182,860,256.56
  5. Step 5: Solve for x
    x = 5,182,860,256.56/81,754.40
  6. Step 6: Final answer
    x = 63,395.49

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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.