Home / 54,334.35-74,989.08-30,140.73

Finding the Fourth Proportional to 54,334.35, 74,989.08 and 30,140.73

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Solution

The fourth proportional to 54,334.35, 74,989.08 and 30,140.73 is: 41,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.35 : 74,989.08 = 30,140.73 : x
  2. Step 2: Convert to fraction form
    54,334.35/74,989.08 = 30,140.73/x
  3. Step 3: Cross multiply
    54,334.35x = 74,989.08 × 30,140.73
  4. Step 4: Simplify right side
    54,334.35x = 2,260,225,613.23
  5. Step 5: Solve for x
    x = 2,260,225,613.23/54,334.35
  6. Step 6: Final answer
    x = 41,598.47

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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.