Home / 97,811.40-146,760.30-45,193.80

Finding the Fourth Proportional to 97,811.40, 146,760.30 and 45,193.80

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Solution

The fourth proportional to 97,811.40, 146,760.30 and 45,193.80 is: 67,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.40 : 146,760.30 = 45,193.80 : x
  2. Step 2: Convert to fraction form
    97,811.40/146,760.30 = 45,193.80/x
  3. Step 3: Cross multiply
    97,811.40x = 146,760.30 × 45,193.80
  4. Step 4: Simplify right side
    97,811.40x = 6,632,655,646.14
  5. Step 5: Solve for x
    x = 6,632,655,646.14/97,811.40
  6. Step 6: Final answer
    x = 67,810.66

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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.