Home / 94,610.09-130,426.29-74,431.98

Finding the Fourth Proportional to 94,610.09, 130,426.29 and 74,431.98

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Solution

The fourth proportional to 94,610.09, 130,426.29 and 74,431.98 is: 102,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,610.09 : 130,426.29 = 74,431.98 : x
  2. Step 2: Convert to fraction form
    94,610.09/130,426.29 = 74,431.98/x
  3. Step 3: Cross multiply
    94,610.09x = 130,426.29 × 74,431.98
  4. Step 4: Simplify right side
    94,610.09x = 9,707,887,008.75
  5. Step 5: Solve for x
    x = 9,707,887,008.75/94,610.09
  6. Step 6: Final answer
    x = 102,609.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.