Home / 90,414.06-124,775.37-50,125.29

Finding the Fourth Proportional to 90,414.06, 124,775.37 and 50,125.29

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Solution

The fourth proportional to 90,414.06, 124,775.37 and 50,125.29 is: 69,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414.06 : 124,775.37 = 50,125.29 : x
  2. Step 2: Convert to fraction form
    90,414.06/124,775.37 = 50,125.29/x
  3. Step 3: Cross multiply
    90,414.06x = 124,775.37 × 50,125.29
  4. Step 4: Simplify right side
    90,414.06x = 6,254,401,606.11
  5. Step 5: Solve for x
    x = 6,254,401,606.11/90,414.06
  6. Step 6: Final answer
    x = 69,175.10

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1.5x scale

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.