Home / 81,352.67-112,260.44-45,537.80

Finding the Fourth Proportional to 81,352.67, 112,260.44 and 45,537.80

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Solution

The fourth proportional to 81,352.67, 112,260.44 and 45,537.80 is: 62,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,352.67 : 112,260.44 = 45,537.80 : x
  2. Step 2: Convert to fraction form
    81,352.67/112,260.44 = 45,537.80/x
  3. Step 3: Cross multiply
    81,352.67x = 112,260.44 × 45,537.80
  4. Step 4: Simplify right side
    81,352.67x = 5,112,092,675.64
  5. Step 5: Solve for x
    x = 5,112,092,675.64/81,352.67
  6. Step 6: Final answer
    x = 62,838.66

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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.