Home / 91,274.96-125,962.08-50,987.36

Finding the Fourth Proportional to 91,274.96, 125,962.08 and 50,987.36

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Solution

The fourth proportional to 91,274.96, 125,962.08 and 50,987.36 is: 70,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274.96 : 125,962.08 = 50,987.36 : x
  2. Step 2: Convert to fraction form
    91,274.96/125,962.08 = 50,987.36/x
  3. Step 3: Cross multiply
    91,274.96x = 125,962.08 × 50,987.36
  4. Step 4: Simplify right side
    91,274.96x = 6,422,473,919.31
  5. Step 5: Solve for x
    x = 6,422,473,919.31/91,274.96
  6. Step 6: Final answer
    x = 70,364.03

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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.