Home / 105,363.14-145,282.91-67,062.02

Finding the Fourth Proportional to 105,363.14, 145,282.91 and 67,062.02

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Solution

The fourth proportional to 105,363.14, 145,282.91 and 67,062.02 is: 92,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,363.14 : 145,282.91 = 67,062.02 : x
  2. Step 2: Convert to fraction form
    105,363.14/145,282.91 = 67,062.02/x
  3. Step 3: Cross multiply
    105,363.14x = 145,282.91 × 67,062.02
  4. Step 4: Simplify right side
    105,363.14x = 9,742,964,354.35
  5. Step 5: Solve for x
    x = 9,742,964,354.35/105,363.14
  6. Step 6: Final answer
    x = 92,470.33

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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.