Home / 105,903.14-146,161.61-63,465.62

Finding the Fourth Proportional to 105,903.14, 146,161.61 and 63,465.62

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Solution

The fourth proportional to 105,903.14, 146,161.61 and 63,465.62 is: 87,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,903.14 : 146,161.61 = 63,465.62 : x
  2. Step 2: Convert to fraction form
    105,903.14/146,161.61 = 63,465.62/x
  3. Step 3: Cross multiply
    105,903.14x = 146,161.61 × 63,465.62
  4. Step 4: Simplify right side
    105,903.14x = 9,276,236,150.71
  5. Step 5: Solve for x
    x = 9,276,236,150.71/105,903.14
  6. Step 6: Final answer
    x = 87,591.70

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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.