Home / 77,196.18-106,581.24-59,384.28

Finding the Fourth Proportional to 77,196.18, 106,581.24 and 59,384.28

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Solution

The fourth proportional to 77,196.18, 106,581.24 and 59,384.28 is: 81,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,196.18 : 106,581.24 = 59,384.28 : x
  2. Step 2: Convert to fraction form
    77,196.18/106,581.24 = 59,384.28/x
  3. Step 3: Cross multiply
    77,196.18x = 106,581.24 × 59,384.28
  4. Step 4: Simplify right side
    77,196.18x = 6,329,250,198.91
  5. Step 5: Solve for x
    x = 6,329,250,198.91/77,196.18
  6. Step 6: Final answer
    x = 81,989.16

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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.