Home / 97,817.40-146,531.70-56,215.80

Finding the Fourth Proportional to 97,817.40, 146,531.70 and 56,215.80

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Solution

The fourth proportional to 97,817.40, 146,531.70 and 56,215.80 is: 84,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,817.40 : 146,531.70 = 56,215.80 : x
  2. Step 2: Convert to fraction form
    97,817.40/146,531.70 = 56,215.80/x
  3. Step 3: Cross multiply
    97,817.40x = 146,531.70 × 56,215.80
  4. Step 4: Simplify right side
    97,817.40x = 8,237,396,740.86
  5. Step 5: Solve for x
    x = 8,237,396,740.86/97,817.40
  6. Step 6: Final answer
    x = 84,211.98

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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.