Home / 90,805.88-136,236.66-46,464.16

Finding the Fourth Proportional to 90,805.88, 136,236.66 and 46,464.16

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Solution

The fourth proportional to 90,805.88, 136,236.66 and 46,464.16 is: 69,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,805.88 : 136,236.66 = 46,464.16 : x
  2. Step 2: Convert to fraction form
    90,805.88/136,236.66 = 46,464.16/x
  3. Step 3: Cross multiply
    90,805.88x = 136,236.66 × 46,464.16
  4. Step 4: Simplify right side
    90,805.88x = 6,330,121,968.11
  5. Step 5: Solve for x
    x = 6,330,121,968.11/90,805.88
  6. Step 6: Final answer
    x = 69,710.49

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1.5x scale

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.