Home / 105,589.66-145,761.54-62,576.14

Finding the Fourth Proportional to 105,589.66, 145,761.54 and 62,576.14

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Solution

The fourth proportional to 105,589.66, 145,761.54 and 62,576.14 is: 86,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,589.66 : 145,761.54 = 62,576.14 : x
  2. Step 2: Convert to fraction form
    105,589.66/145,761.54 = 62,576.14/x
  3. Step 3: Cross multiply
    105,589.66x = 145,761.54 × 62,576.14
  4. Step 4: Simplify right side
    105,589.66x = 9,121,194,533.66
  5. Step 5: Solve for x
    x = 9,121,194,533.66/105,589.66
  6. Step 6: Final answer
    x = 86,383.41

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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.