Home / 107,859.40-161,789.10-37,731.40

Finding the Fourth Proportional to 107,859.40, 161,789.10 and 37,731.40

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Solution

The fourth proportional to 107,859.40, 161,789.10 and 37,731.40 is: 56,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,859.40 : 161,789.10 = 37,731.40 : x
  2. Step 2: Convert to fraction form
    107,859.40/161,789.10 = 37,731.40/x
  3. Step 3: Cross multiply
    107,859.40x = 161,789.10 × 37,731.40
  4. Step 4: Simplify right side
    107,859.40x = 6,104,529,247.74
  5. Step 5: Solve for x
    x = 6,104,529,247.74/107,859.40
  6. Step 6: Final answer
    x = 56,597.10

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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.