Home / 91,275.48-125,959.55-50,988.88

Finding the Fourth Proportional to 91,275.48, 125,959.55 and 50,988.88

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Solution

The fourth proportional to 91,275.48, 125,959.55 and 50,988.88 is: 70,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.48 : 125,959.55 = 50,988.88 : x
  2. Step 2: Convert to fraction form
    91,275.48/125,959.55 = 50,988.88/x
  3. Step 3: Cross multiply
    91,275.48x = 125,959.55 × 50,988.88
  4. Step 4: Simplify right side
    91,275.48x = 6,422,536,379.80
  5. Step 5: Solve for x
    x = 6,422,536,379.80/91,275.48
  6. Step 6: Final answer
    x = 70,364.32

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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.