Home / 97,784.91-146,450.84-83,397.15

Finding the Fourth Proportional to 97,784.91, 146,450.84 and 83,397.15

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Solution

The fourth proportional to 97,784.91, 146,450.84 and 83,397.15 is: 124,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.91 : 146,450.84 = 83,397.15 : x
  2. Step 2: Convert to fraction form
    97,784.91/146,450.84 = 83,397.15/x
  3. Step 3: Cross multiply
    97,784.91x = 146,450.84 × 83,397.15
  4. Step 4: Simplify right side
    97,784.91x = 12,213,582,254.12
  5. Step 5: Solve for x
    x = 12,213,582,254.12/97,784.91
  6. Step 6: Final answer
    x = 124,902.53

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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.