Home / 91,571.22-126,387.81-53,866.98

Finding the Fourth Proportional to 91,571.22, 126,387.81 and 53,866.98

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Solution

The fourth proportional to 91,571.22, 126,387.81 and 53,866.98 is: 74,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.22 : 126,387.81 = 53,866.98 : x
  2. Step 2: Convert to fraction form
    91,571.22/126,387.81 = 53,866.98/x
  3. Step 3: Cross multiply
    91,571.22x = 126,387.81 × 53,866.98
  4. Step 4: Simplify right side
    91,571.22x = 6,808,129,633.51
  5. Step 5: Solve for x
    x = 6,808,129,633.51/91,571.22
  6. Step 6: Final answer
    x = 74,347.92

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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.