Home / 107,816.90-161,725.35-48,680.90

Finding the Fourth Proportional to 107,816.90, 161,725.35 and 48,680.90

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Solution

The fourth proportional to 107,816.90, 161,725.35 and 48,680.90 is: 73,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,816.90 : 161,725.35 = 48,680.90 : x
  2. Step 2: Convert to fraction form
    107,816.90/161,725.35 = 48,680.90/x
  3. Step 3: Cross multiply
    107,816.90x = 161,725.35 × 48,680.90
  4. Step 4: Simplify right side
    107,816.90x = 7,872,935,590.82
  5. Step 5: Solve for x
    x = 7,872,935,590.82/107,816.90
  6. Step 6: Final answer
    x = 73,021.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.