Home / 57,133.63-78,871.34-38,045.17

Finding the Fourth Proportional to 57,133.63, 78,871.34 and 38,045.17

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Solution

The fourth proportional to 57,133.63, 78,871.34 and 38,045.17 is: 52,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,133.63 : 78,871.34 = 38,045.17 : x
  2. Step 2: Convert to fraction form
    57,133.63/78,871.34 = 38,045.17/x
  3. Step 3: Cross multiply
    57,133.63x = 78,871.34 × 38,045.17
  4. Step 4: Simplify right side
    57,133.63x = 3,000,673,538.43
  5. Step 5: Solve for x
    x = 3,000,673,538.43/57,133.63
  6. Step 6: Final answer
    x = 52,520.27

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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.