Home / 118,528.68-163,568.44-64,813.16

Finding the Fourth Proportional to 118,528.68, 163,568.44 and 64,813.16

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Solution

The fourth proportional to 118,528.68, 163,568.44 and 64,813.16 is: 89,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,528.68 : 163,568.44 = 64,813.16 : x
  2. Step 2: Convert to fraction form
    118,528.68/163,568.44 = 64,813.16/x
  3. Step 3: Cross multiply
    118,528.68x = 163,568.44 × 64,813.16
  4. Step 4: Simplify right side
    118,528.68x = 10,601,387,472.67
  5. Step 5: Solve for x
    x = 10,601,387,472.67/118,528.68
  6. Step 6: Final answer
    x = 89,441.54

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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.