Home / 97,945.34-146,917.98-45,326.12

Finding the Fourth Proportional to 97,945.34, 146,917.98 and 45,326.12

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Solution

The fourth proportional to 97,945.34, 146,917.98 and 45,326.12 is: 67,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,945.34 : 146,917.98 = 45,326.12 : x
  2. Step 2: Convert to fraction form
    97,945.34/146,917.98 = 45,326.12/x
  3. Step 3: Cross multiply
    97,945.34x = 146,917.98 × 45,326.12
  4. Step 4: Simplify right side
    97,945.34x = 6,659,221,991.64
  5. Step 5: Solve for x
    x = 6,659,221,991.64/97,945.34
  6. Step 6: Final answer
    x = 67,989.17

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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.