Home / 107,612.85-161,036.55-93,725.40

Finding the Fourth Proportional to 107,612.85, 161,036.55 and 93,725.40

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Solution

The fourth proportional to 107,612.85, 161,036.55 and 93,725.40 is: 140,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,612.85 : 161,036.55 = 93,725.40 : x
  2. Step 2: Convert to fraction form
    107,612.85/161,036.55 = 93,725.40/x
  3. Step 3: Cross multiply
    107,612.85x = 161,036.55 × 93,725.40
  4. Step 4: Simplify right side
    107,612.85x = 15,093,215,063.37
  5. Step 5: Solve for x
    x = 15,093,215,063.37/107,612.85
  6. Step 6: Final answer
    x = 140,254.77

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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.