Home / 97,817.90-146,726.85-51,161.90

Finding the Fourth Proportional to 97,817.90, 146,726.85 and 51,161.90

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Solution

The fourth proportional to 97,817.90, 146,726.85 and 51,161.90 is: 76,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,817.90 : 146,726.85 = 51,161.90 : x
  2. Step 2: Convert to fraction form
    97,817.90/146,726.85 = 51,161.90/x
  3. Step 3: Cross multiply
    97,817.90x = 146,726.85 × 51,161.90
  4. Step 4: Simplify right side
    97,817.90x = 7,506,824,427.02
  5. Step 5: Solve for x
    x = 7,506,824,427.02/97,817.90
  6. Step 6: Final answer
    x = 76,742.85

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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.