Home / 91,927.36-126,860.25-51,642.82

Finding the Fourth Proportional to 91,927.36, 126,860.25 and 51,642.82

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Solution

The fourth proportional to 91,927.36, 126,860.25 and 51,642.82 is: 71,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,927.36 : 126,860.25 = 51,642.82 : x
  2. Step 2: Convert to fraction form
    91,927.36/126,860.25 = 51,642.82/x
  3. Step 3: Cross multiply
    91,927.36x = 126,860.25 × 51,642.82
  4. Step 4: Simplify right side
    91,927.36x = 6,551,421,055.91
  5. Step 5: Solve for x
    x = 6,551,421,055.91/91,927.36
  6. Step 6: Final answer
    x = 71,267.37

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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.