Home / 118,057.04-162,913.92-64,340.96

Finding the Fourth Proportional to 118,057.04, 162,913.92 and 64,340.96

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Solution

The fourth proportional to 118,057.04, 162,913.92 and 64,340.96 is: 88,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,057.04 : 162,913.92 = 64,340.96 : x
  2. Step 2: Convert to fraction form
    118,057.04/162,913.92 = 64,340.96/x
  3. Step 3: Cross multiply
    118,057.04x = 162,913.92 × 64,340.96
  4. Step 4: Simplify right side
    118,057.04x = 10,482,038,010.16
  5. Step 5: Solve for x
    x = 10,482,038,010.16/118,057.04
  6. Step 6: Final answer
    x = 88,787.91

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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.