Home / 97,976.10-147,029.70-35,646.60

Finding the Fourth Proportional to 97,976.10, 147,029.70 and 35,646.60

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Solution

The fourth proportional to 97,976.10, 147,029.70 and 35,646.60 is: 53,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,976.10 : 147,029.70 = 35,646.60 : x
  2. Step 2: Convert to fraction form
    97,976.10/147,029.70 = 35,646.60/x
  3. Step 3: Cross multiply
    97,976.10x = 147,029.70 × 35,646.60
  4. Step 4: Simplify right side
    97,976.10x = 5,241,108,904.02
  5. Step 5: Solve for x
    x = 5,241,108,904.02/97,976.10
  6. Step 6: Final answer
    x = 53,493.75

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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.