Home / 97,664.57-146,501.12-47,786.66

Finding the Fourth Proportional to 97,664.57, 146,501.12 and 47,786.66

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Solution

The fourth proportional to 97,664.57, 146,501.12 and 47,786.66 is: 71,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,664.57 : 146,501.12 = 47,786.66 : x
  2. Step 2: Convert to fraction form
    97,664.57/146,501.12 = 47,786.66/x
  3. Step 3: Cross multiply
    97,664.57x = 146,501.12 × 47,786.66
  4. Step 4: Simplify right side
    97,664.57x = 7,000,799,211.06
  5. Step 5: Solve for x
    x = 7,000,799,211.06/97,664.57
  6. Step 6: Final answer
    x = 71,682.08

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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.