Home / 91,274.29-125,957.91-50,987.69

Finding the Fourth Proportional to 91,274.29, 125,957.91 and 50,987.69

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Solution

The fourth proportional to 91,274.29, 125,957.91 and 50,987.69 is: 70,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274.29 : 125,957.91 = 50,987.69 : x
  2. Step 2: Convert to fraction form
    91,274.29/125,957.91 = 50,987.69/x
  3. Step 3: Cross multiply
    91,274.29x = 125,957.91 × 50,987.69
  4. Step 4: Simplify right side
    91,274.29x = 6,422,303,374.23
  5. Step 5: Solve for x
    x = 6,422,303,374.23/91,274.29
  6. Step 6: Final answer
    x = 70,362.68

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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.