Home / 102,557.84-141,525.24-57,233.36

Finding the Fourth Proportional to 102,557.84, 141,525.24 and 57,233.36

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Solution

The fourth proportional to 102,557.84, 141,525.24 and 57,233.36 is: 78,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,557.84 : 141,525.24 = 57,233.36 : x
  2. Step 2: Convert to fraction form
    102,557.84/141,525.24 = 57,233.36/x
  3. Step 3: Cross multiply
    102,557.84x = 141,525.24 × 57,233.36
  4. Step 4: Simplify right side
    102,557.84x = 8,099,965,010.01
  5. Step 5: Solve for x
    x = 8,099,965,010.01/102,557.84
  6. Step 6: Final answer
    x = 78,979.48

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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.