Home / 91,290.83-125,968.82-50,999.58

Finding the Fourth Proportional to 91,290.83, 125,968.82 and 50,999.58

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Solution

The fourth proportional to 91,290.83, 125,968.82 and 50,999.58 is: 70,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290.83 : 125,968.82 = 50,999.58 : x
  2. Step 2: Convert to fraction form
    91,290.83/125,968.82 = 50,999.58/x
  3. Step 3: Cross multiply
    91,290.83x = 125,968.82 × 50,999.58
  4. Step 4: Simplify right side
    91,290.83x = 6,424,356,658.10
  5. Step 5: Solve for x
    x = 6,424,356,658.10/91,290.83
  6. Step 6: Final answer
    x = 70,372.42

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1.5x scale

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.