Home / 81,542.48-112,529.54-45,244.58

Finding the Fourth Proportional to 81,542.48, 112,529.54 and 45,244.58

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Solution

The fourth proportional to 81,542.48, 112,529.54 and 45,244.58 is: 62,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,542.48 : 112,529.54 = 45,244.58 : x
  2. Step 2: Convert to fraction form
    81,542.48/112,529.54 = 45,244.58/x
  3. Step 3: Cross multiply
    81,542.48x = 112,529.54 × 45,244.58
  4. Step 4: Simplify right side
    81,542.48x = 5,091,351,325.36
  5. Step 5: Solve for x
    x = 5,091,351,325.36/81,542.48
  6. Step 6: Final answer
    x = 62,438.03

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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.