Home / 57,133.49-78,853.50-34,161.75

Finding the Fourth Proportional to 57,133.49, 78,853.50 and 34,161.75

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Solution

The fourth proportional to 57,133.49, 78,853.50 and 34,161.75 is: 47,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,133.49 : 78,853.50 = 34,161.75 : x
  2. Step 2: Convert to fraction form
    57,133.49/78,853.50 = 34,161.75/x
  3. Step 3: Cross multiply
    57,133.49x = 78,853.50 × 34,161.75
  4. Step 4: Simplify right side
    57,133.49x = 2,693,773,553.63
  5. Step 5: Solve for x
    x = 2,693,773,553.63/57,133.49
  6. Step 6: Final answer
    x = 47,148.77

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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.