Home / 54,156.68-74,706.18-31,493.18

Finding the Fourth Proportional to 54,156.68, 74,706.18 and 31,493.18

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Solution

The fourth proportional to 54,156.68, 74,706.18 and 31,493.18 is: 43,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.68 : 74,706.18 = 31,493.18 : x
  2. Step 2: Convert to fraction form
    54,156.68/74,706.18 = 31,493.18/x
  3. Step 3: Cross multiply
    54,156.68x = 74,706.18 × 31,493.18
  4. Step 4: Simplify right side
    54,156.68x = 2,352,735,065.82
  5. Step 5: Solve for x
    x = 2,352,735,065.82/54,156.68
  6. Step 6: Final answer
    x = 43,443.12

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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.