Home / 91,491.05-126,270.97-52,721.37

Finding the Fourth Proportional to 91,491.05, 126,270.97 and 52,721.37

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Solution

The fourth proportional to 91,491.05, 126,270.97 and 52,721.37 is: 72,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,491.05 : 126,270.97 = 52,721.37 : x
  2. Step 2: Convert to fraction form
    91,491.05/126,270.97 = 52,721.37/x
  3. Step 3: Cross multiply
    91,491.05x = 126,270.97 × 52,721.37
  4. Step 4: Simplify right side
    91,491.05x = 6,657,178,397.83
  5. Step 5: Solve for x
    x = 6,657,178,397.83/91,491.05
  6. Step 6: Final answer
    x = 72,763.16

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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.