Home / 81,361.24-112,289.10-45,564.92

Finding the Fourth Proportional to 81,361.24, 112,289.10 and 45,564.92

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Solution

The fourth proportional to 81,361.24, 112,289.10 and 45,564.92 is: 62,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,361.24 : 112,289.10 = 45,564.92 : x
  2. Step 2: Convert to fraction form
    81,361.24/112,289.10 = 45,564.92/x
  3. Step 3: Cross multiply
    81,361.24x = 112,289.10 × 45,564.92
  4. Step 4: Simplify right side
    81,361.24x = 5,116,443,858.37
  5. Step 5: Solve for x
    x = 5,116,443,858.37/81,361.24
  6. Step 6: Final answer
    x = 62,885.52

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1.5x scale

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.