Home / 54,969.63-75,864.16-31,096.09

Finding the Fourth Proportional to 54,969.63, 75,864.16 and 31,096.09

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Solution

The fourth proportional to 54,969.63, 75,864.16 and 31,096.09 is: 42,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.63 : 75,864.16 = 31,096.09 : x
  2. Step 2: Convert to fraction form
    54,969.63/75,864.16 = 31,096.09/x
  3. Step 3: Cross multiply
    54,969.63x = 75,864.16 × 31,096.09
  4. Step 4: Simplify right side
    54,969.63x = 2,359,078,747.13
  5. Step 5: Solve for x
    x = 2,359,078,747.13/54,969.63
  6. Step 6: Final answer
    x = 42,916.04

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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.