Home / 81,363.02-112,274.91-47,371.77

Finding the Fourth Proportional to 81,363.02, 112,274.91 and 47,371.77

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Solution

The fourth proportional to 81,363.02, 112,274.91 and 47,371.77 is: 65,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,363.02 : 112,274.91 = 47,371.77 : x
  2. Step 2: Convert to fraction form
    81,363.02/112,274.91 = 47,371.77/x
  3. Step 3: Cross multiply
    81,363.02x = 112,274.91 × 47,371.77
  4. Step 4: Simplify right side
    81,363.02x = 5,318,661,213.29
  5. Step 5: Solve for x
    x = 5,318,661,213.29/81,363.02
  6. Step 6: Final answer
    x = 65,369.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.