Home / 51,871.66-71,586.28-39,102.32

Finding the Fourth Proportional to 51,871.66, 71,586.28 and 39,102.32

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Solution

The fourth proportional to 51,871.66, 71,586.28 and 39,102.32 is: 53,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.66 : 71,586.28 = 39,102.32 : x
  2. Step 2: Convert to fraction form
    51,871.66/71,586.28 = 39,102.32/x
  3. Step 3: Cross multiply
    51,871.66x = 71,586.28 × 39,102.32
  4. Step 4: Simplify right side
    51,871.66x = 2,799,189,628.17
  5. Step 5: Solve for x
    x = 2,799,189,628.17/51,871.66
  6. Step 6: Final answer
    x = 53,963.76

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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.