Home / 81,514.54-112,538.33-51,325.74

Finding the Fourth Proportional to 81,514.54, 112,538.33 and 51,325.74

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Solution

The fourth proportional to 81,514.54, 112,538.33 and 51,325.74 is: 70,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,514.54 : 112,538.33 = 51,325.74 : x
  2. Step 2: Convert to fraction form
    81,514.54/112,538.33 = 51,325.74/x
  3. Step 3: Cross multiply
    81,514.54x = 112,538.33 × 51,325.74
  4. Step 4: Simplify right side
    81,514.54x = 5,776,113,065.61
  5. Step 5: Solve for x
    x = 5,776,113,065.61/81,514.54
  6. Step 6: Final answer
    x = 70,859.91

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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.