Home / 105,239.13-145,232.85-62,822.27

Finding the Fourth Proportional to 105,239.13, 145,232.85 and 62,822.27

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Solution

The fourth proportional to 105,239.13, 145,232.85 and 62,822.27 is: 86,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,239.13 : 145,232.85 = 62,822.27 : x
  2. Step 2: Convert to fraction form
    105,239.13/145,232.85 = 62,822.27/x
  3. Step 3: Cross multiply
    105,239.13x = 145,232.85 × 62,822.27
  4. Step 4: Simplify right side
    105,239.13x = 9,123,856,589.41
  5. Step 5: Solve for x
    x = 9,123,856,589.41/105,239.13
  6. Step 6: Final answer
    x = 86,696.43

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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.