Home / 107,417.28-161,142.30-54,798.06

Finding the Fourth Proportional to 107,417.28, 161,142.30 and 54,798.06

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Solution

The fourth proportional to 107,417.28, 161,142.30 and 54,798.06 is: 82,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,417.28 : 161,142.30 = 54,798.06 : x
  2. Step 2: Convert to fraction form
    107,417.28/161,142.30 = 54,798.06/x
  3. Step 3: Cross multiply
    107,417.28x = 161,142.30 × 54,798.06
  4. Step 4: Simplify right side
    107,417.28x = 8,830,285,423.94
  5. Step 5: Solve for x
    x = 8,830,285,423.94/107,417.28
  6. Step 6: Final answer
    x = 82,205.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.