Home / 76,101.12-114,129.54-29,343.06

Finding the Fourth Proportional to 76,101.12, 114,129.54 and 29,343.06

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Solution

The fourth proportional to 76,101.12, 114,129.54 and 29,343.06 is: 44,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,101.12 : 114,129.54 = 29,343.06 : x
  2. Step 2: Convert to fraction form
    76,101.12/114,129.54 = 29,343.06/x
  3. Step 3: Cross multiply
    76,101.12x = 114,129.54 × 29,343.06
  4. Step 4: Simplify right side
    76,101.12x = 3,348,909,939.99
  5. Step 5: Solve for x
    x = 3,348,909,939.99/76,101.12
  6. Step 6: Final answer
    x = 44,006.05

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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.