Home / 74,153.58-102,212.22-57,992.28

Finding the Fourth Proportional to 74,153.58, 102,212.22 and 57,992.28

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Solution

The fourth proportional to 74,153.58, 102,212.22 and 57,992.28 is: 79,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.58 : 102,212.22 = 57,992.28 : x
  2. Step 2: Convert to fraction form
    74,153.58/102,212.22 = 57,992.28/x
  3. Step 3: Cross multiply
    74,153.58x = 102,212.22 × 57,992.28
  4. Step 4: Simplify right side
    74,153.58x = 5,927,519,681.66
  5. Step 5: Solve for x
    x = 5,927,519,681.66/74,153.58
  6. Step 6: Final answer
    x = 79,935.72

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1.5x scale

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.