Home / 105,295.68-145,308.33-62,853.30

Finding the Fourth Proportional to 105,295.68, 145,308.33 and 62,853.30

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Solution

The fourth proportional to 105,295.68, 145,308.33 and 62,853.30 is: 86,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,295.68 : 145,308.33 = 62,853.30 : x
  2. Step 2: Convert to fraction form
    105,295.68/145,308.33 = 62,853.30/x
  3. Step 3: Cross multiply
    105,295.68x = 145,308.33 × 62,853.30
  4. Step 4: Simplify right side
    105,295.68x = 9,133,108,057.99
  5. Step 5: Solve for x
    x = 9,133,108,057.99/105,295.68
  6. Step 6: Final answer
    x = 86,737.73

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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.