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Finding the Fourth Proportional to 96,980.01, 145,464.10 and 46,414.98

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Solution

The fourth proportional to 96,980.01, 145,464.10 and 46,414.98 is: 69,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980.01 : 145,464.10 = 46,414.98 : x
  2. Step 2: Convert to fraction form
    96,980.01/145,464.10 = 46,414.98/x
  3. Step 3: Cross multiply
    96,980.01x = 145,464.10 × 46,414.98
  4. Step 4: Simplify right side
    96,980.01x = 6,751,713,292.22
  5. Step 5: Solve for x
    x = 6,751,713,292.22/96,980.01
  6. Step 6: Final answer
    x = 69,619.64

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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.