Home / 98,412.33-147,519.81-51,000.87

Finding the Fourth Proportional to 98,412.33, 147,519.81 and 51,000.87

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Solution

The fourth proportional to 98,412.33, 147,519.81 and 51,000.87 is: 76,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,412.33 : 147,519.81 = 51,000.87 : x
  2. Step 2: Convert to fraction form
    98,412.33/147,519.81 = 51,000.87/x
  3. Step 3: Cross multiply
    98,412.33x = 147,519.81 × 51,000.87
  4. Step 4: Simplify right side
    98,412.33x = 7,523,638,652.23
  5. Step 5: Solve for x
    x = 7,523,638,652.23/98,412.33
  6. Step 6: Final answer
    x = 76,450.16

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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.