Home / 75,386.83-113,088.45-27,996.36

Finding the Fourth Proportional to 75,386.83, 113,088.45 and 27,996.36

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Solution

The fourth proportional to 75,386.83, 113,088.45 and 27,996.36 is: 41,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,386.83 : 113,088.45 = 27,996.36 : x
  2. Step 2: Convert to fraction form
    75,386.83/113,088.45 = 27,996.36/x
  3. Step 3: Cross multiply
    75,386.83x = 113,088.45 × 27,996.36
  4. Step 4: Simplify right side
    75,386.83x = 3,166,065,038.85
  5. Step 5: Solve for x
    x = 3,166,065,038.85/75,386.83
  6. Step 6: Final answer
    x = 41,997.59

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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.