Home / 118,045.90-162,898.62-64,329.79

Finding the Fourth Proportional to 118,045.90, 162,898.62 and 64,329.79

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Solution

The fourth proportional to 118,045.90, 162,898.62 and 64,329.79 is: 88,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.90 : 162,898.62 = 64,329.79 : x
  2. Step 2: Convert to fraction form
    118,045.90/162,898.62 = 64,329.79/x
  3. Step 3: Cross multiply
    118,045.90x = 162,898.62 × 64,329.79
  4. Step 4: Simplify right side
    118,045.90x = 10,479,234,015.89
  5. Step 5: Solve for x
    x = 10,479,234,015.89/118,045.90
  6. Step 6: Final answer
    x = 88,772.54

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1.5x scale

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.