Home / 97,970.49-146,832.77-52,990.04

Finding the Fourth Proportional to 97,970.49, 146,832.77 and 52,990.04

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Solution

The fourth proportional to 97,970.49, 146,832.77 and 52,990.04 is: 79,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,970.49 : 146,832.77 = 52,990.04 : x
  2. Step 2: Convert to fraction form
    97,970.49/146,832.77 = 52,990.04/x
  3. Step 3: Cross multiply
    97,970.49x = 146,832.77 × 52,990.04
  4. Step 4: Simplify right side
    97,970.49x = 7,780,674,855.17
  5. Step 5: Solve for x
    x = 7,780,674,855.17/97,970.49
  6. Step 6: Final answer
    x = 79,418.56

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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.