Home / 118,392.25-163,392.57-64,685.33

Finding the Fourth Proportional to 118,392.25, 163,392.57 and 64,685.33

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Solution

The fourth proportional to 118,392.25, 163,392.57 and 64,685.33 is: 89,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,392.25 : 163,392.57 = 64,685.33 : x
  2. Step 2: Convert to fraction form
    118,392.25/163,392.57 = 64,685.33/x
  3. Step 3: Cross multiply
    118,392.25x = 163,392.57 × 64,685.33
  4. Step 4: Simplify right side
    118,392.25x = 10,569,102,718.48
  5. Step 5: Solve for x
    x = 10,569,102,718.48/118,392.25
  6. Step 6: Final answer
    x = 89,271.92

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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.