Home / 88,273.98-121,816.80-47,986.59

Finding the Fourth Proportional to 88,273.98, 121,816.80 and 47,986.59

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Solution

The fourth proportional to 88,273.98, 121,816.80 and 47,986.59 is: 66,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.98 : 121,816.80 = 47,986.59 : x
  2. Step 2: Convert to fraction form
    88,273.98/121,816.80 = 47,986.59/x
  3. Step 3: Cross multiply
    88,273.98x = 121,816.80 × 47,986.59
  4. Step 4: Simplify right side
    88,273.98x = 5,845,572,836.71
  5. Step 5: Solve for x
    x = 5,845,572,836.71/88,273.98
  6. Step 6: Final answer
    x = 66,220.79

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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.