Home / 97,872.50-146,553.44-53,407.35

Finding the Fourth Proportional to 97,872.50, 146,553.44 and 53,407.35

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Solution

The fourth proportional to 97,872.50, 146,553.44 and 53,407.35 is: 79,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,872.50 : 146,553.44 = 53,407.35 : x
  2. Step 2: Convert to fraction form
    97,872.50/146,553.44 = 53,407.35/x
  3. Step 3: Cross multiply
    97,872.50x = 146,553.44 × 53,407.35
  4. Step 4: Simplify right side
    97,872.50x = 7,827,030,596.75
  5. Step 5: Solve for x
    x = 7,827,030,596.75/97,872.50
  6. Step 6: Final answer
    x = 79,971.70

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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.