Home / 118,594.80-163,654.72-64,869.36

Finding the Fourth Proportional to 118,594.80, 163,654.72 and 64,869.36

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Solution

The fourth proportional to 118,594.80, 163,654.72 and 64,869.36 is: 89,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,594.80 : 163,654.72 = 64,869.36 : x
  2. Step 2: Convert to fraction form
    118,594.80/163,654.72 = 64,869.36/x
  3. Step 3: Cross multiply
    118,594.80x = 163,654.72 × 64,869.36
  4. Step 4: Simplify right side
    118,594.80x = 10,616,176,947.38
  5. Step 5: Solve for x
    x = 10,616,176,947.38/118,594.80
  6. Step 6: Final answer
    x = 89,516.38

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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.