Home / 81,182.34-112,033.95-45,372.44

Finding the Fourth Proportional to 81,182.34, 112,033.95 and 45,372.44

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Solution

The fourth proportional to 81,182.34, 112,033.95 and 45,372.44 is: 62,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182.34 : 112,033.95 = 45,372.44 : x
  2. Step 2: Convert to fraction form
    81,182.34/112,033.95 = 45,372.44/x
  3. Step 3: Cross multiply
    81,182.34x = 112,033.95 × 45,372.44
  4. Step 4: Simplify right side
    81,182.34x = 5,083,253,674.34
  5. Step 5: Solve for x
    x = 5,083,253,674.34/81,182.34
  6. Step 6: Final answer
    x = 62,615.26

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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.