Home / 54,167.45-74,748.86-31,507.09

Finding the Fourth Proportional to 54,167.45, 74,748.86 and 31,507.09

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Solution

The fourth proportional to 54,167.45, 74,748.86 and 31,507.09 is: 43,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.45 : 74,748.86 = 31,507.09 : x
  2. Step 2: Convert to fraction form
    54,167.45/74,748.86 = 31,507.09/x
  3. Step 3: Cross multiply
    54,167.45x = 74,748.86 × 31,507.09
  4. Step 4: Simplify right side
    54,167.45x = 2,355,119,059.42
  5. Step 5: Solve for x
    x = 2,355,119,059.42/54,167.45
  6. Step 6: Final answer
    x = 43,478.49

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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.