Home / 112,016.18-154,581.85-61,028.75

Finding the Fourth Proportional to 112,016.18, 154,581.85 and 61,028.75

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Solution

The fourth proportional to 112,016.18, 154,581.85 and 61,028.75 is: 84,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.18 : 154,581.85 = 61,028.75 : x
  2. Step 2: Convert to fraction form
    112,016.18/154,581.85 = 61,028.75/x
  3. Step 3: Cross multiply
    112,016.18x = 154,581.85 × 61,028.75
  4. Step 4: Simplify right side
    112,016.18x = 9,433,937,078.19
  5. Step 5: Solve for x
    x = 9,433,937,078.19/112,016.18
  6. Step 6: Final answer
    x = 84,219.41

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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.