Home / 90,598.46-135,795.15-46,131.28

Finding the Fourth Proportional to 90,598.46, 135,795.15 and 46,131.28

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Solution

The fourth proportional to 90,598.46, 135,795.15 and 46,131.28 is: 69,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.46 : 135,795.15 = 46,131.28 : x
  2. Step 2: Convert to fraction form
    90,598.46/135,795.15 = 46,131.28/x
  3. Step 3: Cross multiply
    90,598.46x = 135,795.15 × 46,131.28
  4. Step 4: Simplify right side
    90,598.46x = 6,264,404,087.29
  5. Step 5: Solve for x
    x = 6,264,404,087.29/90,598.46
  6. Step 6: Final answer
    x = 69,144.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.