Home / 90,374.01-124,716.15-50,090.37

Finding the Fourth Proportional to 90,374.01, 124,716.15 and 50,090.37

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Solution

The fourth proportional to 90,374.01, 124,716.15 and 50,090.37 is: 69,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.01 : 124,716.15 = 50,090.37 : x
  2. Step 2: Convert to fraction form
    90,374.01/124,716.15 = 50,090.37/x
  3. Step 3: Cross multiply
    90,374.01x = 124,716.15 × 50,090.37
  4. Step 4: Simplify right side
    90,374.01x = 6,247,078,098.48
  5. Step 5: Solve for x
    x = 6,247,078,098.48/90,374.01
  6. Step 6: Final answer
    x = 69,124.72

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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.