Home / 97,677.25-146,515.04-76,347.90

Finding the Fourth Proportional to 97,677.25, 146,515.04 and 76,347.90

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Solution

The fourth proportional to 97,677.25, 146,515.04 and 76,347.90 is: 114,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.25 : 146,515.04 = 76,347.90 : x
  2. Step 2: Convert to fraction form
    97,677.25/146,515.04 = 76,347.90/x
  3. Step 3: Cross multiply
    97,677.25x = 146,515.04 × 76,347.90
  4. Step 4: Simplify right side
    97,677.25x = 11,186,115,813.29
  5. Step 5: Solve for x
    x = 11,186,115,813.29/97,677.25
  6. Step 6: Final answer
    x = 114,521.21

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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.