Home / 79,470.17-109,630.94-57,913.70

Finding the Fourth Proportional to 79,470.17, 109,630.94 and 57,913.70

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Solution

The fourth proportional to 79,470.17, 109,630.94 and 57,913.70 is: 79,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.17 : 109,630.94 = 57,913.70 : x
  2. Step 2: Convert to fraction form
    79,470.17/109,630.94 = 57,913.70/x
  3. Step 3: Cross multiply
    79,470.17x = 109,630.94 × 57,913.70
  4. Step 4: Simplify right side
    79,470.17x = 6,349,133,369.88
  5. Step 5: Solve for x
    x = 6,349,133,369.88/79,470.17
  6. Step 6: Final answer
    x = 79,893.29

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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.