Home / 92,829.11-127,874.58-79,172.51

Finding the Fourth Proportional to 92,829.11, 127,874.58 and 79,172.51

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Solution

The fourth proportional to 92,829.11, 127,874.58 and 79,172.51 is: 109,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.11 : 127,874.58 = 79,172.51 : x
  2. Step 2: Convert to fraction form
    92,829.11/127,874.58 = 79,172.51/x
  3. Step 3: Cross multiply
    92,829.11x = 127,874.58 × 79,172.51
  4. Step 4: Simplify right side
    92,829.11x = 10,124,150,824.42
  5. Step 5: Solve for x
    x = 10,124,150,824.42/92,829.11
  6. Step 6: Final answer
    x = 109,062.25

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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.