Home / 76,379.04-114,531.50-26,461.98

Finding the Fourth Proportional to 76,379.04, 114,531.50 and 26,461.98

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Solution

The fourth proportional to 76,379.04, 114,531.50 and 26,461.98 is: 39,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379.04 : 114,531.50 = 26,461.98 : x
  2. Step 2: Convert to fraction form
    76,379.04/114,531.50 = 26,461.98/x
  3. Step 3: Cross multiply
    76,379.04x = 114,531.50 × 26,461.98
  4. Step 4: Simplify right side
    76,379.04x = 3,030,730,262.37
  5. Step 5: Solve for x
    x = 3,030,730,262.37/76,379.04
  6. Step 6: Final answer
    x = 39,680.13

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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.