Home / 112,109.41-154,615.80-94,731.87

Finding the Fourth Proportional to 112,109.41, 154,615.80 and 94,731.87

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Solution

The fourth proportional to 112,109.41, 154,615.80 and 94,731.87 is: 130,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109.41 : 154,615.80 = 94,731.87 : x
  2. Step 2: Convert to fraction form
    112,109.41/154,615.80 = 94,731.87/x
  3. Step 3: Cross multiply
    112,109.41x = 154,615.80 × 94,731.87
  4. Step 4: Simplify right side
    112,109.41x = 14,647,044,102.76
  5. Step 5: Solve for x
    x = 14,647,044,102.76/112,109.41
  6. Step 6: Final answer
    x = 130,649.55

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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.