Home / 74,587.64-102,969.02-57,553.61

Finding the Fourth Proportional to 74,587.64, 102,969.02 and 57,553.61

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Solution

The fourth proportional to 74,587.64, 102,969.02 and 57,553.61 is: 79,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,587.64 : 102,969.02 = 57,553.61 : x
  2. Step 2: Convert to fraction form
    74,587.64/102,969.02 = 57,553.61/x
  3. Step 3: Cross multiply
    74,587.64x = 102,969.02 × 57,553.61
  4. Step 4: Simplify right side
    74,587.64x = 5,926,238,448.20
  5. Step 5: Solve for x
    x = 5,926,238,448.20/74,587.64
  6. Step 6: Final answer
    x = 79,453.36

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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.