Home / 91,355.72-126,068.82-53,633.48

Finding the Fourth Proportional to 91,355.72, 126,068.82 and 53,633.48

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Solution

The fourth proportional to 91,355.72, 126,068.82 and 53,633.48 is: 74,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,355.72 : 126,068.82 = 53,633.48 : x
  2. Step 2: Convert to fraction form
    91,355.72/126,068.82 = 53,633.48/x
  3. Step 3: Cross multiply
    91,355.72x = 126,068.82 × 53,633.48
  4. Step 4: Simplify right side
    91,355.72x = 6,761,509,536.09
  5. Step 5: Solve for x
    x = 6,761,509,536.09/91,355.72
  6. Step 6: Final answer
    x = 74,012.99

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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.