Home / 91,250.72-125,913.48-50,959.36

Finding the Fourth Proportional to 91,250.72, 125,913.48 and 50,959.36

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Solution

The fourth proportional to 91,250.72, 125,913.48 and 50,959.36 is: 70,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,250.72 : 125,913.48 = 50,959.36 : x
  2. Step 2: Convert to fraction form
    91,250.72/125,913.48 = 50,959.36/x
  3. Step 3: Cross multiply
    91,250.72x = 125,913.48 × 50,959.36
  4. Step 4: Simplify right side
    91,250.72x = 6,416,470,356.17
  5. Step 5: Solve for x
    x = 6,416,470,356.17/91,250.72
  6. Step 6: Final answer
    x = 70,316.93

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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.