Home / 98,391.30-147,665.58-51,019.86

Finding the Fourth Proportional to 98,391.30, 147,665.58 and 51,019.86

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Solution

The fourth proportional to 98,391.30, 147,665.58 and 51,019.86 is: 76,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,391.30 : 147,665.58 = 51,019.86 : x
  2. Step 2: Convert to fraction form
    98,391.30/147,665.58 = 51,019.86/x
  3. Step 3: Cross multiply
    98,391.30x = 147,665.58 × 51,019.86
  4. Step 4: Simplify right side
    98,391.30x = 7,533,877,218.42
  5. Step 5: Solve for x
    x = 7,533,877,218.42/98,391.30
  6. Step 6: Final answer
    x = 76,570.56

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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.