Home / 81,256.14-112,086.48-48,968.74

Finding the Fourth Proportional to 81,256.14, 112,086.48 and 48,968.74

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Solution

The fourth proportional to 81,256.14, 112,086.48 and 48,968.74 is: 67,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,256.14 : 112,086.48 = 48,968.74 : x
  2. Step 2: Convert to fraction form
    81,256.14/112,086.48 = 48,968.74/x
  3. Step 3: Cross multiply
    81,256.14x = 112,086.48 × 48,968.74
  4. Step 4: Simplify right side
    81,256.14x = 5,488,733,696.64
  5. Step 5: Solve for x
    x = 5,488,733,696.64/81,256.14
  6. Step 6: Final answer
    x = 67,548.54

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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.