Home / 97,620.60-146,139.30-58,157.40

Finding the Fourth Proportional to 97,620.60, 146,139.30 and 58,157.40

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Solution

The fourth proportional to 97,620.60, 146,139.30 and 58,157.40 is: 87,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,620.60 : 146,139.30 = 58,157.40 : x
  2. Step 2: Convert to fraction form
    97,620.60/146,139.30 = 58,157.40/x
  3. Step 3: Cross multiply
    97,620.60x = 146,139.30 × 58,157.40
  4. Step 4: Simplify right side
    97,620.60x = 8,499,081,725.82
  5. Step 5: Solve for x
    x = 8,499,081,725.82/97,620.60
  6. Step 6: Final answer
    x = 87,062.38

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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.