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Finding the Fourth Proportional to 76,008.40, 114,001.80 and 26,090.80

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Solution

The fourth proportional to 76,008.40, 114,001.80 and 26,090.80 is: 39,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,008.40 : 114,001.80 = 26,090.80 : x
  2. Step 2: Convert to fraction form
    76,008.40/114,001.80 = 26,090.80/x
  3. Step 3: Cross multiply
    76,008.40x = 114,001.80 × 26,090.80
  4. Step 4: Simplify right side
    76,008.40x = 2,974,398,163.44
  5. Step 5: Solve for x
    x = 2,974,398,163.44/76,008.40
  6. Step 6: Final answer
    x = 39,132.49

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1.5x scale

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.