Home / 81,548.40-112,536.36-45,249.48

Finding the Fourth Proportional to 81,548.40, 112,536.36 and 45,249.48

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Solution

The fourth proportional to 81,548.40, 112,536.36 and 45,249.48 is: 62,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.40 : 112,536.36 = 45,249.48 : x
  2. Step 2: Convert to fraction form
    81,548.40/112,536.36 = 45,249.48/x
  3. Step 3: Cross multiply
    81,548.40x = 112,536.36 × 45,249.48
  4. Step 4: Simplify right side
    81,548.40x = 5,092,211,771.09
  5. Step 5: Solve for x
    x = 5,092,211,771.09/81,548.40
  6. Step 6: Final answer
    x = 62,444.04

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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.