Home / 107,478.78-161,282.97-37,407.30

Finding the Fourth Proportional to 107,478.78, 161,282.97 and 37,407.30

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Solution

The fourth proportional to 107,478.78, 161,282.97 and 37,407.30 is: 56,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,478.78 : 161,282.97 = 37,407.30 : x
  2. Step 2: Convert to fraction form
    107,478.78/161,282.97 = 37,407.30/x
  3. Step 3: Cross multiply
    107,478.78x = 161,282.97 × 37,407.30
  4. Step 4: Simplify right side
    107,478.78x = 6,033,160,443.68
  5. Step 5: Solve for x
    x = 6,033,160,443.68/107,478.78
  6. Step 6: Final answer
    x = 56,133.50

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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.