Home / 81,235.52-112,059.97-47,240.27

Finding the Fourth Proportional to 81,235.52, 112,059.97 and 47,240.27

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Solution

The fourth proportional to 81,235.52, 112,059.97 and 47,240.27 is: 65,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,235.52 : 112,059.97 = 47,240.27 : x
  2. Step 2: Convert to fraction form
    81,235.52/112,059.97 = 47,240.27/x
  3. Step 3: Cross multiply
    81,235.52x = 112,059.97 × 47,240.27
  4. Step 4: Simplify right side
    81,235.52x = 5,293,742,442.49
  5. Step 5: Solve for x
    x = 5,293,742,442.49/81,235.52
  6. Step 6: Final answer
    x = 65,165.37

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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.