Home / 60,742.32-91,117.84-18,616.92

Finding the Fourth Proportional to 60,742.32, 91,117.84 and 18,616.92

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Solution

The fourth proportional to 60,742.32, 91,117.84 and 18,616.92 is: 27,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,742.32 : 91,117.84 = 18,616.92 : x
  2. Step 2: Convert to fraction form
    60,742.32/91,117.84 = 18,616.92/x
  3. Step 3: Cross multiply
    60,742.32x = 91,117.84 × 18,616.92
  4. Step 4: Simplify right side
    60,742.32x = 1,696,333,537.85
  5. Step 5: Solve for x
    x = 1,696,333,537.85/60,742.32
  6. Step 6: Final answer
    x = 27,926.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.