Home / 97,785.48-146,654.73-45,144.39

Finding the Fourth Proportional to 97,785.48, 146,654.73 and 45,144.39

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Solution

The fourth proportional to 97,785.48, 146,654.73 and 45,144.39 is: 67,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.48 : 146,654.73 = 45,144.39 : x
  2. Step 2: Convert to fraction form
    97,785.48/146,654.73 = 45,144.39/x
  3. Step 3: Cross multiply
    97,785.48x = 146,654.73 × 45,144.39
  4. Step 4: Simplify right side
    97,785.48x = 6,620,638,326.46
  5. Step 5: Solve for x
    x = 6,620,638,326.46/97,785.48
  6. Step 6: Final answer
    x = 67,705.74

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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.