Home / 81,827.55-112,920.06-53,532.63

Finding the Fourth Proportional to 81,827.55, 112,920.06 and 53,532.63

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Solution

The fourth proportional to 81,827.55, 112,920.06 and 53,532.63 is: 73,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,827.55 : 112,920.06 = 53,532.63 : x
  2. Step 2: Convert to fraction form
    81,827.55/112,920.06 = 53,532.63/x
  3. Step 3: Cross multiply
    81,827.55x = 112,920.06 × 53,532.63
  4. Step 4: Simplify right side
    81,827.55x = 6,044,907,791.56
  5. Step 5: Solve for x
    x = 6,044,907,791.56/81,827.55
  6. Step 6: Final answer
    x = 73,873.75

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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.