Home / 97,705.45-146,606.78-38,543.05

Finding the Fourth Proportional to 97,705.45, 146,606.78 and 38,543.05

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Solution

The fourth proportional to 97,705.45, 146,606.78 and 38,543.05 is: 57,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,705.45 : 146,606.78 = 38,543.05 : x
  2. Step 2: Convert to fraction form
    97,705.45/146,606.78 = 38,543.05/x
  3. Step 3: Cross multiply
    97,705.45x = 146,606.78 × 38,543.05
  4. Step 4: Simplify right side
    97,705.45x = 5,650,672,259.16
  5. Step 5: Solve for x
    x = 5,650,672,259.16/97,705.45
  6. Step 6: Final answer
    x = 57,833.75

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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.