Home / 75,892.05-113,827.34-47,726.21

Finding the Fourth Proportional to 75,892.05, 113,827.34 and 47,726.21

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Solution

The fourth proportional to 75,892.05, 113,827.34 and 47,726.21 is: 71,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,892.05 : 113,827.34 = 47,726.21 : x
  2. Step 2: Convert to fraction form
    75,892.05/113,827.34 = 47,726.21/x
  3. Step 3: Cross multiply
    75,892.05x = 113,827.34 × 47,726.21
  4. Step 4: Simplify right side
    75,892.05x = 5,432,547,936.47
  5. Step 5: Solve for x
    x = 5,432,547,936.47/75,892.05
  6. Step 6: Final answer
    x = 71,582.57

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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.