Home / 91,035.68-125,629.76-50,752

Finding the Fourth Proportional to 91,035.68, 125,629.76 and 50,752

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Solution

The fourth proportional to 91,035.68, 125,629.76 and 50,752 is: 70,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,035.68 : 125,629.76 = 50,752 : x
  2. Step 2: Convert to fraction form
    91,035.68/125,629.76 = 50,752/x
  3. Step 3: Cross multiply
    91,035.68x = 125,629.76 × 50,752
  4. Step 4: Simplify right side
    91,035.68x = 6,375,961,579.52
  5. Step 5: Solve for x
    x = 6,375,961,579.52/91,035.68
  6. Step 6: Final answer
    x = 70,038.05

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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.