Home / 75,887.01-113,836.01-29,139.89

Finding the Fourth Proportional to 75,887.01, 113,836.01 and 29,139.89

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Solution

The fourth proportional to 75,887.01, 113,836.01 and 29,139.89 is: 43,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,887.01 : 113,836.01 = 29,139.89 : x
  2. Step 2: Convert to fraction form
    75,887.01/113,836.01 = 29,139.89/x
  3. Step 3: Cross multiply
    75,887.01x = 113,836.01 × 29,139.89
  4. Step 4: Simplify right side
    75,887.01x = 3,317,168,094.56
  5. Step 5: Solve for x
    x = 3,317,168,094.56/75,887.01
  6. Step 6: Final answer
    x = 43,711.94

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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.