Home / 75,421.54-113,132.58-25,502.05

Finding the Fourth Proportional to 75,421.54, 113,132.58 and 25,502.05

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Solution

The fourth proportional to 75,421.54, 113,132.58 and 25,502.05 is: 38,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,421.54 : 113,132.58 = 25,502.05 : x
  2. Step 2: Convert to fraction form
    75,421.54/113,132.58 = 25,502.05/x
  3. Step 3: Cross multiply
    75,421.54x = 113,132.58 × 25,502.05
  4. Step 4: Simplify right side
    75,421.54x = 2,885,112,711.79
  5. Step 5: Solve for x
    x = 2,885,112,711.79/75,421.54
  6. Step 6: Final answer
    x = 38,253.17

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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.